Dr Siaw Tung Yeng
Family Physician
MBBS (NUS, Singapore) 1991, M Med (Family Med) (NUS, Singapore) 1996

Siaw Tung Yeng has been a practising physician for more than 30 years and has been a senior consultant in family medicine since 2005.

Dr Siaw is different from many doctors in one key respect. He has been complementing his work as a physician with IT for over 20 years. He worked with Singapore’s Ministry of Health implementing IT in the 1990s. He has also been a director at Gloco Malaysia, which provides health IT since 2006 and a director of United Vision Holdings, which operates seven family medicine clinics across Singapore for 15 years.

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Dr Rachel Teoh Pui Pui
Family Physician
MBBS (Spore 2002), Postgraduate Diploma, DIP (Derm UK, 2007)

Dr Rachel Teoh Pui Pui graduated with Bachelor of Medicine and Bachelor of Surgery from National University of Singapore in 2002. A surgeon by training, she is a member of National ATLS Committee and trainer for Advanced Trauma Life Support for American College of Surgeons Committee on Trauma in 2005. She now pursues her broader interest in Family Medicine with special interest in Dermatology and Public Health, with full accreditation from Aesthetic Dermatology Educational Group (ADEG) and American Academy of Aesthetic Medicine (AAAM). Dr Rachel Teoh served as frontline medical doctor in Tan Tock Seng Hospital during SARS in 2002 and COVID-19 in 2020.

She is a Medical Doctor with strategic foresight for the future of healthcare. She is pioneer in Telemedicine in Singapore and co-founded MaNaDr in 2018 with a vision of equitable healthcare for all. In 2020, she led a group of medical doctors, working closely with Ministry of Health, to form the front line forward triage medical care to Migrant Workers residing in the dormitories during the peak of Covid-19 outbreak in the dormitories in 2020. She represented doctors on migrant worker-related health issues in our national pandemic response. Working closely with Migrant Workers' Centre, she spearheaded island-wide roll out of Tele-Monitoring devices to dormitories as part of the Chronic Care Management and Disease Surveillance.

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Dr Siaw Seng Taat Nathan
General Practitioner
MBBS (NUS, Singapore) 2018

Dr Siaw Seng Taat, Nathan graduated from the National University of Singapore with a Bachelor of Medicine and Bachelor of Surgery (MBBS). As an undergraduate, he participated in various Ophthalmology symposiums and conferences. One of his research papers was also chosen to be presented at the 32nd Asia-Pacific Academy of Ophthalmology Congress (APAO), where he presented his research findings on amblyopia, to the international community.

Dr Nathan has also gained extensive experience across various institutions including Singapore National Eyecare Centre (SNEC), Changi General Hospital (CGH), Tan Tock Seng Hospital (TTSH) and National University Hospital (NUH). As a recognition of his contributions, he has also been awarded the Singapore Health Quality Service Awards in 2021.

As a keen advocate for primary eye care, Dr Nathan currently works in the National University Hospital as well as maintains his research presence with Singapore National Eyecare Center and Singapore Eye Research Institute (SERI).

Dr Nathan is fluent in both English and Mandarin. In his free time, Dr Nathan often volunteers both locally and abroad. He also spends time creating educational videos for the public, in hopes of achieving medical education in a fun and entertaining manner.

Check out his Instagram here: Dr.Nate (@docnatesg) •(put hyperlink)

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Dr Wong Choo Wai
Senior Family Physician
MBBS (NUS, Singapore) 1995

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Dr Jeremiah Pereira
Internal Medicine
MBBS (S'pore) MRCP (UK) M.Med (Int Med)

Dr. Pereira studied at the National University of Singapore on a SingHealth Undergraduate Medicine Scholarship and graduated with an MBBS in 2018. They subsequently completed their MRCP (UK) and M.Med (Int Med) in 2021. Prior to joining MaNaDr, they were part of the SingHealth Internal Medicine Programme. As part of their training, they rotated through and gained diverse experiences in various medical subspecialties. Their main areas of interest are in sexual health as well as gender-affirming care. Dr. Pereira strongly believes in providing inclusive and evidence-based care to their patients.

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Dr Nam Min Fern Alvina
Family Physician
MBBS (NUS, Singapore) 1992, Dip OM (NUS, Singapore) 2000

Dr Alvina Nam graduated from the National University of Singapore with a M.B.B.S degree. As part of the requirements after graduation, she worked in various departments in the government hospitals, including Accident and Emergency, General Surgery and Paediatrics. Subsequently, she left the Public Service and worked as a General Practitioner, first in the HDB heartlands and then the Orchard Road belt for about 10 years before finally setting up Clinic@Costa. During this time, Dr Nam had obtained several postgraduate diplomas, namely Post Graduate Diploma in Family Medicine (GDFM), Diploma in Occupational Medicine (D.O.M), Postgraduate Diploma in Palliative Medicine as well as Diploma in Aesthetic medicine.

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Dr Heng Kuan Yong
MBBCh, BAO, IRCP & S (Ire) Grad Dip Family Med (S' pore)

Dr. Heng Kuan Yong is a General Practitioner (GP Doctor) in Singapore. He is currently

practicing at EC Family Clinic Pte Ltd.

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Dr Nurhidayati M Suphan
Consultant Obstetrician & Gynaecologist
MBBS (Singapore) MRCOG (UK), FAMS (Singapore)

Dr Nurhidayati Binte Mohamed Suphan was a Mendaki Award winner and an IDB scholar. She received her medical degree from the National University of Singapore and completed her advanced specialty training in Obstetrics and Gynaecology. As part of her training, she has worked in various hospitals in Singapore; mainly in the National University Hospital. She was involved in various research and journal publications including randomised controlled trials while working in NUH. She was also a tutor to the medical students in the National University of Singapore as well as an examiner during the medical students’ exams. While working full time, she completed her masters degree with a merit in executive business administration from the Hull University in 2016.

Together with six other doctors, Dr Nurhidayati founded the Muslim Healthcare Professionals in Singapore in 2004. She continues to actively contributes to the community in her free time. She was one of the doctors selected to go on the Singapore Haj Medical Team to Saudi Arabia, Rotary Club to Brazil and Raleigh to Myammar.

Her interests are varied and include travelling so that she may learn the culture of the different communities. She is passionate and dedicated towards providing a holistic care to her patients. She was given an EXSA award in 2009 by Spring Singapore/Singhealth Services in recognition of her contribution and commitment to excellent service. She is still active in the Muslim Healthcare Professionals Association and Geng Sihat to help the community strive towards a healthier lifestyle.

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Dr Charles Bih-Shiou Tsang
Colorectal Surgery, General Surgery
MBBS (S’pore), MMed (Surgery), MS (Exp Surgery)

Adj Associate Professor Charles Tsang graduated from medical school at the National University of Singapore in 1987, obtained his Fellowship Diploma in Surgery from the Royal College of Surgeons of Edinburgh and Royal College of Physicians and Surgeons of Glasgow in 1993. He completed a Clinical Fellowship in Surgery at the Leeds General Infirmary, UK in 1994 and went on to successfully complete an advanced residency in Colon and Rectal Surgery at the University of Minnesota. He emerged at the top of the class and was the first non American to be award the Carl E Christensen Outstanding Resident Scholar Award in 1997. He then successfully defended his thesis in 1998 and graduated with a Master of Science in Experimental Surgery. He became a Fellow of the Academy of Medicine and an accredited Specialist in General Surgery in 1999. With an experience spanning 12 years as a Consultant Colorectal Surgeon, he was the Head and Senior Consultant, Division of Colorectal Surgery as well as Head of Surgical Oncology with the National University Cancer Institute of Singapore, before moving to private practice on 2 July 2012. As such, he is a highly accomplished surgeon, well versed in laparoscopic and robotic surgery for both cancers and benign disorders, proctology, advanced therapeutic endoscopy and functional bowel disorders such as constipation and incontinence.

Adj Associate Professor Tsang is very passionate about teaching undergraduates and postgraduate is currently an Adjunct Associate Professor of Surgery in the Yong Loo Lin School of Medicine, National University of Singapore. He was instrumental in starting a highly successful and competitive Fellowship training program in Colorectal Surgery at NUH which has over the years benefited numerous surgeons from ASEAN, China, India and the UK. In recognition for his contributions to the development of colon and rectal surgery in Singapore and South East Asia, Adj Associate Professor Tsang was made an International Fellow of the American Society of Colon and Rectal Surgery. For his leadership efforts in the development and promotion of endoscopy and laparoscopic colorectal surgery, he was also elected a member of the Board of Governors of the Society for Endoscopic and Laparoscopic Surgeons of Asia.

Adj Associate Professor Tsang also has an impressive research background, having held grants from A*STAR and EXPLOIT. He has authored and co-authored numerous papers in peer reviewed journals and has contributed to several book chapters. He is a member of the Editorial Board of the Korean Journal of Coloproctology as well as a reviewer with the Diseases of Colon and Rectum and the British Journal of Surgery.

Adj Associate Professor Tsang is also a frequent invited speaker at many international meetings for his expertise in the management of complex anal fistula and colorectal cancer. One of his areas of interest is in endorectal and endoanal ultrasound imaging for which he is a recognised world authority. Adj Associate Professor is also a pioneer surgeon in the development and promotion of the LIFT technique for treatment of anal fistulas in Singapore and the region. He was also the first surgeon in Singapore and in the region to have performed sacral nerve modulation as well as implanted artificial bowel sphincters for faecal incontinence. As Head of Colorectal Surgery at NUH, he also started the Robotic Colorectal Surgery programme in collaboration with Korea University, where he was also appointed a Visiting Professor. In the field of advanced therapeutic endoscopy, Adj Associate Professor Tsang also collaborated with Jichi Medical University in Japan to develop endoscopic submucosal dissection techniques for removal of early colorectal tumors endoscopically at NUH. He also started the double balloon enteroscopy programme at NUH for evaluation of small bowel disorders.

Adj Associate Professor Tsang has won numerous awards including Five Years of Dedicated Voluntary Service to the Community by the People’s Association in 2003 and the Excellent Service Star and Gold Award in 2008 and 2009 respectively by the National University Hospital. He currently practices full time as a colorectal surgeon at Colorectal Clinic Associates and is a Visiting Senior Consultant at the Department of Colorectal Surgery in Singapore General Hospital. He is also a Visiting Consultant to Hospital Raja Permaisuri Bainun in Ipoh and the Traditional Chinese Medicine University in Nanjing.

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Dr Dean Chi-Siong Koh
Colorectal & General Surgery
MBBS (S’pore), FRCS (Edinburgh), FRCS (Glasgow)

Adj Associate Professor Dean Koh graduated from the medical school at the National University of Singapore and obtained his fellowship diploma from the Royal College of Surgeons of Edinburgh and the Royal College of Physicians and Surgeons of Glasgow in 1999. He proceeded to complete his advanced surgical training in Tan Tock Seng Hospital and the National University Hospital, acquiring the Joint Specialty Fellowship in General Surgery examination in 2003. He was admitted as a fellow to the Academy of Medicine (Surgery) in the same year.

Dr Koh was then awarded the Human Manpower Development Programme scholarship from the Ministry of Health in 2003 and proceeded on to successfully match in the US Accreditation Council for Graduate Medical Education accredited residency in Colon and Rectal Surgery at the Ferguson Clinic/ Michigan State University Programme. This fellowship allowed him to complete the formal fellowship training certified by the American Board of Colon and Rectal Surgery encompassing a broad range of colon and anorectal procedures for cancer, inflammatory bowel disease and functional colorectal conditions. With the impact of the COST study in the United States in those years, he also received formal training in laparoscopic colon and rectal procedures. This remains his main interest in his practice here in Singapore. He is trained in functional anorectal work and is competent in endoanal and endorectal ultrasonography. He has been performing robotic assisted laparoscopic colorectal resections since 2008 and is a listed colorectal surgeon on the da Vinci surgeon locator. As recognition of his expertise in the field of minimally invasive colorectal surgery, Dr Koh has been appointed Visiting Professor at the Institut de Rechergecontre les Cancers de l’Appareil Digestif – European Institute of TeleSurgery (IRCAD-EITS) in Strasbourg, France and the Institut de Rechergecontre les Cancers de l’ Appareil Digestif – ShowChwan Health Care System Asian Institute of TeleSurgery in Taiwan since 2014. He has been on the faculty there teaching the Advanced Laparoscopic Colorectal and the Robotic Colorectal courses.

With his vast experience in laparoscopic colorectal surgery, he assumed the position of Director of Minimally Invasive Surgery in the Division of Colorectal Surgery in NUH. Having also completed the ACGME residency programme in the United States, he was also made the Fellowship Programme Director for colorectal surgery in the division of Colorectal Surgery. He has been involved in the training of fellows from all across Southeast Asia, including Indonesia, Malaysia, Thailand, the Philippines and Vietnam. He continues to maintain links with these surgeons from the region in both academic and clinical matters.

As an Adjunct Associate Professor of Surgery in the Yong Loo Lin School of Medicine, National University of Singapore, Dr Koh was significantly involved in both the undergraduate and postgraduate medical education. He was the Director of undergraduate surgery in the Department of Surgery in the medical school in the NUS and has been instrumental in maintaining standards in surgical education. He continues to return to the medical school in NUS to teach undergraduates despite being fully engaged in his private practice.

Adj Associate Professor Koh has authored numerous publications and book chapters under TTSH, NUH and the Ferguson Clinic spanning a wide range of colon and anorectal conditions. His key publications involve laparoscopic and robotic colorectal surgery, anal fistula surgery and fecal incontinence surgery. He is also an invited reviewer for the Singapore Medical Journal, Annals Academy of Medicine Singapore, the British Journal of Surgery, the Malaysian Journal of Medical Sciences, and Yonsei Medical Journal; and he is presently an Editorial Board member for the journal Robotic Surgery: Research and Reviews. He is an active fellow of the American Society of Colon and Rectal Surgeons, a member of the Society of Endoscopic and Laparoscopic Society of Asia and the Singapore Society of Oncology and the past President of the Society of Colorectal Surgeons of Singapore.

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Dr Aileen Ai-Lin Seah
General Surgery
MBBS (S pore), FRCS (Edinburgh), FAMS (Surgery)

Dr Aileen Seah graduated from medical school at the National University of Singapore in 1995 and obtained her fellowship diploma from the Royal College of Surgeons of Edinburgh in 2001. She completed her advanced surgical training in National University Hospital and became and Fellow of the Academy of Medicine and an accredited Specialist in General Surgery in 2005.

Dr Seah was awarded the Human Manpower Development Programme scholarship in 2003 and was admitted to a matched residency programme that was accredited by the US Accreditation Council for Graduate Medical Education. She completed her Colon and Rectal Surgery Fellowship at the University of Minnesota in 2004 under the mentorship of Dr Stanley Goldberg, Dr David Rothenberger, Dr Ann Lowry and Dr Robert Madoff and became the first American trained female colorectal surgeon in Singapore.

During her 12 years of service in a comprehensive Colorectal Unit at the National University Hospital as well as the National University Cancer Institute Singapore, Dr Seah is experienced in the management of a wide variety of colorectal and anorectal conditions such cancer, inflammatory bowel disease, pelvic floor disorders, functional colorectal conditions as well as anorectal disorders. In addition, Dr Seah was under the proctorship of Professor Hironori Yamamoto, the inventor of the double balloon enteroscope. She developed her advanced therapeutic endoscopic techniques skills in double balloon enteroscopy in the evaluation of small bowel disorders as well as endoscopic submucosal dissection in the treatment of large flat polyps.

Dr Seah was the director of the Pelvic Floor Centre in the division of Colorectal Surgery, University Surgical Cluster, National University Health System, with experience in pelvic floor disorders and functional colorectal conditions like functional constipation and fecal incontinence. Dr Seah obtained her Diploma of Acupuncture at the Singapore College of Traditional Chinese Medicine and became a registered acupuncturist in 2008. She visited the Colorectal Unit in the Third Hospital Affiliated to Nanjing University of Chinese Medicine and is interested in how eastern medicine can work in synergy with western medicine for the treatment of conditions like functional constipation.

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Dr Victor Keng
General Surgery
MBBS (S pore), FRCS (Edinburgh), FAMS (Surgery)

Dr Keng graduated from the National University of Singapore in 1990 and started his basic surgical training in General Surgery in 1992 after finishing his national service. In 1995, he completed his Fellowship examinations from the Royal College of Surgeons, Edinburgh. He started to take an interest in Colorectal Surgery and began to focus his advanced surgical training in Singapore General Hospital, Department of Colorectal Surgery. He went to train under laparoscopic colorectal surgeon Professor John Monson in University of Hull, United Kingdom in 1998. When he came back, he focused on endoscopic colorectal techniques including colonic stenting and endorectal ultrasound in the accurate diagnosis of rectal cancers and subsequently their treatment. He became a member of the American Society of Colorectal Surgeons in 2000. In 2001, he completed his exit examinations from the Academy of Medicine, Singapore. He became a consultant in the government hospital in the year 2002. In 2004, he left the public hospital and set up the private practice in Mt Alvernia Hospital as a Consultant Colorectal Surgeon in Digestive Health Associates Pte Ltd.

In the non medical field, Dr Keng is an active volunteer promoting the lives of people with deafness in Singapore since 1990. He interprets in sign language for the Deaf and received an award from the Ministry of Community Development and Sports in 2002. He actively supports school education among youths and sat in the School Advisory Committee for Bowen Secondary School from 2008 to 2011. He has an interest in the development of social entrepreneurship in Singapore.

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Dr Cheryl Chien Li Lau
General Surgery
MBBS (S’pore), MRCS (Edin)

Adj Asst Prof Cheryl Lau graduated from medical school at the National University of Singapore and obtained her fellowship diploma from the Royal college of Surgeons of Edinburgh. She completed her advanced surgical training in National University Hospital and Tan Tock Seng Hospital.

Dr Cheryl has extensive experience in minimally invasive colorectal and general surgical procedures including hernias, diagnostic and therapeutic endoscopies, treatment of colorectal cancers and benign colorectal diseases, complex perianal disorders and bowel disorders.

Adj Asst Prof Cheryl was awarded the Ministry of Health Human Manpower Development Program in 2011. Under the mentorship of Professor Phillip Fleshner and his group of 9 senior colorectal surgeons, she completed a year of advanced colon and rectal surgery training at the world-renowned Cedars-Sinai Medical Center in the United States. During her fellowship, she became especially well versed in the endoscopic and surgical management of diseases of the colon, rectum and anus. She is currently an international member of both the Society of American Gastrointestinal and Endoscopic Surgeons, and the American Society of Colon and Rectal Surgeons.

As one of the pioneer surgeons for the Jurong Health campus (National University Health services), Adj Asst Prof Cheryl was a founding member of the colorectal surgery division and the Surgical Trauma lead in Ng Teng Fong General Hospital. She was actively involved in hospital planning and chaired the general surgery division of the peer review-learning, morbidity clinical audit and electronic medical records governance committees among others.

She was also appointed the Chief Surgeon and steered the hospital to its first successful completion of the Ministry of Health Emergency Preparedness Mass Casualty exercise in 2018, the first hospital in Singapore to succeed in its first pass.

Passionate in teaching of the next generation of surgeons, Adj Asst Prof Cheryl was the Residency Program Director for Surgery-in-general Residents and the Research Director lead for Surgery in Ng Teng Fong General Hospital. She is currently a Clinical Lecturer with Yong Loo Lin School of Medicine, National University of Singapore. She is also an instructor for the Advanced Trauma Life Support Course and a teacher for the national FRCS Viva course for training surgeons. She received the Dean’s Award for Excellence in undergraduate teaching and the Best Teacher (Surgery) Award in JurongHealth Campus. She was awarded hospital research grants for clinical quality research in 2015 -2017. She has authored numerous research articles and book chapters, including 2 publications in the prestigious Annals of Surgery Journal and is an invited reviewer for many international journals.

Placing patient centered care as her mission, Adj Asst Prof Cheryl has received yearly awards for her clinical care including Service Ambassador awards from 2012 to 2016 and Service Quality Champion in 2017. She believes in holistic patient care and in providing the best outcomes for her patients.

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Dr Frances Sheau Huei Lim
General Surgery
MD(Canada), FACS (USA)

Dr. Frances Lim is a double board-certified general surgery and colon and rectal surgeon. She received her Medical Doctor degree from the University of Calgary in Alberta, Canada. She completed a General Surgery residency at the State University of New York in Syracuse New York, USA and then completed a fellowship in Colon and Rectal surgery at Washington Hospital Center in Washington, D.C., USA.

Throughout her distinguished career she has held numerous prominent positions including as a Senior Consultant to the National Cancer Institute Singapore (NCIS) and to the Division of Colorectal Surgery at National University Health System (NUHS) Singapore where she performed complex colorectal surgery, sphincter-preserving rectal cancer surgery; transanal excision for early-stage rectal cancer; complex and simple surgery for anorectal conditions; anal ultrasounds; surgery for Inflammatory Bowel Disease surgery and many more benign conditions. She also treated her patients through diagnostic and therapeutic gastroscopy and colonoscopy. She treated functional bowel disorders and pelvic floor disorders.

She has been the Program Director for the General Surgery Residency as well as the past Program Director for the Colorectal Surgery Fellowship Program at the NUHS in Singapore. In these roles, she worked closely with surgical residents to ensure quality physicians. She pushed her residents to think outside the box, take a holistic approach to the patient, and utilize evidence-based medicine. She stressed upon her residents the importance of a good bedside manner as well as listening, and talking, to the patient and their families.

An internationally known physician, she has been a speaker on numerous gastroenterological procedures and patient management topics at conferences ranging from the Endoscopic Laparoscopic Surgeons of Asia to the American Society of Colon and Rectal Surgeons. She is well published in countless peer-reviewed journals and has written chapters for medical textbooks. Always seeking to improve patient care she was awarded the A*Star BEP Grant for a disposable, self-administered haemorrhoidal therapy device where she was the Lead Clinical CoPrincipal Investigator. This device is approved by the U.S. Food and Drug Administration (FDA) and is currently in the process of patent application around the world.

She is now happy to be a part of Colorectal Clinic Associates where she can practice holistic, patient centered, compassionate care. Dr. Lim respects patient preferences and takes the time to explain all medical options available to them so they can make the best decision for themselves. Utilizing evidence-based medicine, her approach to patient care is much appreciated by her patients and their families. She is skilled in a wide range of Colorectal and general surgeries; but her main interests lie in Inflammatory Bowel Disease and Colorectal Cancer. She is a skilled laparoscopic surgeon who always attempt to utilize minimally invasive procedures on her patients whenever possible to shorten recovery time and improve patient outcomes.

Dr. Lim is a mother of 2 children, ages 3 and 6 and enjoys anything having to do with the sun, sand, and sea. In her free time, she can often be found on the beach, walking trails, and spending time with her kids. She is trilingual, being fluent in Mandarin both the Hokkien and Cantonese dialects, English, and Malay.

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Dr Chan Chung Yip
General Surgery, Hepatobiliary and pancreatic surgery, Liver Transplant
MBBS, MMed(Surg), FRCS(Edin), MD, FAMS

Dr Chan graduated from the Faculty of Medicine at National University of Singapore in 1997. He completed his specialty training in General Surgery in 2006, and obtained his Doctorate of Medicine for benchtop research in pancreatic cancer in 2007. He did clinical fellowships in Taiwan and South Korea for sub-specialty training in liver transplant, and laparoscopic liver and pancreas surgery respectively. He was admitted as a Fellow of the Academy of Medicine, Singapore in 2007.

Clinical Fellowship – Liver transplant Chang Gung Memorial Hospital, Kaohsiung Medical Centre. Taiwan 2007

Clinical Fellowship – Laparoscopic liver and pancreas surgery Seoul National University Bundang Hospital. South Korea 2008.

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Dr Ho Choon Kiat
HepatoBiliary, Pancreas & General Surgeon
MBBS (Singapore), FRCS (Edin), FRCS (Glasg), M. Med (Surgery)

Dr Ho graduated from the Faculty of Medicine at the National University of Singapore (NUS) in 1994. He started his surgical training after his National Service. He completed his specialty training in General Surgery in 2003 having obtained the qualifications of FRCS (Edin), FRCS (Glasg), M.Med (Surgery) and FRCSEd (Gen) along the way.

He was admitted as a Fellow of the Academy of Medicine, Singapore, in 2005.

Clinical Fellowship – Chirurgische Klinik Universitätsklinikum Heidelberg

(Surgical Clinic of the University Hospital Heidelberg)

Pancreatic Surgery and Surgical Oncology

Heidelberg, Germany 2004

Mentors: Professor Marcus Büchler and Professor Helmut Friess

Clinical Fellowship – Royal Brisbane and Women’s Hospital

Advanced Laparoscopic Surgery

Brisbane, Australia, 2005

Mentors: Drs Les Nathanson and Nick O’Rourke.

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Dr Jane Tan Jye Yng
Colorectal Surgery, General Surgery
MBBS (Singapore), M.Med (Surgery)

Dr Jane Tan graduated from the Faculty of Medicine at the National University of Singapore in 1997. She completed her surgical training in General Surgery in 2005 and obtained the qualifications of MRCS (Edin) and M.Med (Surgery).

Her clinical fellowship in Colorectal Surgery was at the Royal Melbourne Hospital, Melbourne, Australia from 2005 to 2006. She was admitted as a Fellow of the Academy of Medicine, Singapore in 2007.

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Dr Lee Yee Mun
MBBS (Singapore), FRCSEd, M.Med (Surg), MPH

  • MBBS (Singapore) 1992
  • Master of Medicine (Surgery), National University of Singapore 1998
  • Fellow, Royal College of Surgeons of Edinburgh 1998
  • Fellow, Royal College of Physicians and Surgeons, Glasgow 1998
  • Specialist Accreditation in Urology, Singapore Medical Council 2003
  • Master of Public Health, Johns Hopkins Bloomberg School of Public Health 2016

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Dr Lim Khong Hee
Upper Gastrointestinal, Bariatric & General Surgeon
MBBS (Singapore), M.Med (Surgery), FRCS (Edin), FRCSEd (Gen), FAMS (Surgery)

Dr. Lim graduated from the Faculty of Medicine at the National University of Singapore (NUS) in 1992. He started his surgical training after his National Service. He completed his specialty training in General Surgery in 2003 having obtained the qualifications of FRCS (Edin), M.Med (Surgery) and FRCSEd (Gen) along the way.

He was admitted as a Fellow of the Academy of Medicine, Singapore, in 2004.

Clinical Fellowship – Princess Alexandra Hospital

Upper Gastrointestinal and Laparoscopic Surgery

Brisbane, Australia, 2002

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Dr Tan Yia Swam
Breast Surgery, General Surgery
Breast Specialist & General Surgeon, MBBS (Singapore)

MBBS (Singapore), M.Med (Surgery), MRCS (Edin), FAMS (Surgery) Dr Tan Yia Swam graduated from the Faculty of Medicine at the National University of Singapore in 2004. She completed her surgical training in General Surgery in 2014, having obtained the qualifications of MRCS (Edin) and M.Med (Surgery) along the way.

She was admitted as a Fellow of the Academy of Medicine, Singapore, in 2019.

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Leong Goh Han Gregory
Family Physician


Dr Leong received his Basic Medical Degree (MBBS) from NUS in 1997 and his Graduate Diploma in Geriatric Medicine in 2000. He is academically recognised and is honoured to serve as Adjunct Assistant Professor in Duke-NUS Medical School and as Adj Lecturer in Yong Loo Lin School of Medicine, NUS. He has special interests in Community Geriatrics and conditions relating to the Ear, Nose and Throat discipline.

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Dr Ng Joon Hwee
Family Physician
M.B.B.S (National University of Singapore)

Dr Ng Joon Hwee completed his medical studies in the National University of Singapore and has accumulated a wealth of experience taking care of the acute and chronic medical needs of our patients. He has an immense interest in taking care of our population in a holistic manner, looking after the needs both in the family as an Accredited Family Physician and in the workplace as a MOM Designated Workplace Doctor.

He built up considerable interest and experience taking care of athletes and managing sports injuries working in the acute care centre. He is accreddited with the Immediate Care in Sports Level 3 accreditation with Rugby Football Union.

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Dr Ang Teng Soon Paul
Family Physician

Dr Paul Ang is a family physician or what is commonly known as a general practitioner (GP) in Punggol, Singapore. He founded Zenith Medical Clinic at Punggol West in 2014. He is keen to improve the way primary care (or GP services) are delivered. He wants to bring great, quality and affordable healthcare to the residents in Punggol, Singapore.

His professional qualifications are Bachelor of Medicine and Bachelor of Surgery (MBBS) Singapore, Graduate Diploma in Family Medicine (GDFM), Graduate Diploma in Mental Health (GDMH), Membership of the Royal College of Surgeons (MRCSEd) and accredited family physician. He is currently pursuing the Masters in Liberal Arts (Digital Media and Design) at Harvard Extension School.

His clinical interests include Ear, Nose, Throat (ENT), Mental Health and wellness and Paediatrics. Additional appointments are deputy director of class primary care network and director in MaNaDr mobile health. Other significant past achievements include President Scout Award in 2004 awarded by the late President SR Nathan. He strongly believes that a sustainable enterprise must always contribute back to the society in both tangible and intangible ways. As a medical student, he founded the Project Sa Bai with a close friend and with a lot of help from two experienced family physicians (Dr John Lee and Priscilla Lee).

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Dr Alvin Ng Chee Keong

Dr Alvin Ng Chee Keong graduated from National University of Singapore, Faculty of Medicine in 1991. He was blessed to have received excellent training from great clinicians of their time in Singapore General Hospital (SGH) and Alexandra Hospital.​

One of his memorable experiences in training was diagnosing a patient with Wilson’s disease as a houseofficer in General Medicine Unit 2, Singapore General Hospital in 1991.

Dr Ng received his MRCP (UK) in 1996. It became apparent at the time he should consider gastroenterology training given his exposure to the superb teaching of the senior doctors in SGH. After a posting in Cardiology, TTSH and the excitement of managing patients with heart disease, he started his formal Cardiology experience in 1998. His experience increased as the department developed as the 3rd Cardiology Centre in Singapore. The privilege of attending to many patients affirmed his decision to practice cardiology and created the foundation in general cardiology and echocardiography.

He received formal experience from Prof D Celermajer, Sydney, in the investigation and publication on endothelial dysfunction.

In 2001, Dr Ng received the Ministry of Health, HMDP Award to receive formal training in Cardiovascular Imaging at Cedars-Sinai Hospital, USA with Prof Dan Berman. He gained experience in Cardiac SPECT, PET and CT imaging. Several research papers were authored and co-authored at the time, relevant to clinical practice.

He received specialty registration in Cardiology in 2001 and the diploma of CBNC, USA.

He was appointed as the director of the Coronary Care Unit between 2002 and 2006. During that time, Dr Ng set up the Nuclear Cardiac Imaging Centre. These responsibilities permitted a keen understanding of clinical cardiology, management, and patient service.

He received the Quality Pillar Award for service in 2004, an uncommon award for doctors because of the strict criteria of consistent high-service delivery.

Dr Ng was awarded a second scholarship in 2006 for formal interventional cardiology training at the prestigious Johns Hopkins Hospital, USA. Under the guidance of experienced cardiologists, Dr Jon Resar, Dr Alan Heldman, Dr Jeffery Brinker and many others, invaluable practical experience and cardiology knowledge was acquired.

In 2009, he started a new journey in a local private hospital and was appointed Adjunct Assistant Professor at Yong Loo Lin School of Medicine, National University Hospital till this day. To his students and patients, he owes a huge debt of gratitude for their trust and friendship. Perhaps there’s no clearer mantra than what he shares with the students “It is our privilege for patients to see us and entrust their lives to us, not the other way round”. Through his time, Dr Ng has encountered miracles through unlikely circumstances and people and friendships beyond expectations. He received the ROLE MODEL AWARD in 2014 for TEACHING, NUS.

To the patients who have considered his care trustworthy and have molded his practice to a holistic one, Dr Ng is forever grateful and hopes to continue to be part of their journeys. To all future patients, he is excited to partner them as they seek heart health.

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Dr Koh Seow Choon Daniel
Obstetrician & Gynaecologist
MBBS (Flinders U, Australia) 2007

Dr Daniel Koh graduated from Flinders University in Adelaide, South Australia, and completed his specialist training in OBGYN at KKH.

He has contributed to medical research by delivering oral and poster presentations at major international scientific conferences and publishing in research journals. He was awarded the best oral presentation prizes at the SingHealth OBGYN Academic Clinical Programme Education Day for two consecutive years. Dr Koh’s clinical research with mifepristone (RU486) led to significant improvement in the medical abortion care in Singapore. He is accredited by the Ministry of Health to perform termination of pregnancies in Singapore.

He held teaching appointments at Yong Loo Lin School of Medicine, Lee Kong Chian School of Medicine and Duke-NUS Medical School. He was an assistant professor at the Duke-NUS Medical School.

Dr Koh is a recipient of the Service from the Heart Award and SingHealth Quality Service Awards

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Dr Koh Lam Son
Obstetrician & Gynaecologist
MB ChB (University of Bristol, United Kingdom) 1972

Dr Koh Lam Son has had an illustrious career for over 30 years, building one of the most successful private practices in Obstetrics & Gynaecology based in Singapore. He was one of the country’s first double board-certified O&G surgeons and has delivered thousands of healthy babies.

In 2010, Dr Koh started shifting focus towards Preventative Medicine as he started to see the gaps in the system and saw himself physically fall prey to the stressors and conveniences of modern day living. He started attending numerous conferences around the world to learn more about what medical school didn’t teach him, and developed a keen interest in the world of optimising our bodies as we age. He started successfully incorporating these techniques into his practice, as well as his personal life, with much success.

Today, Dr Koh continues with his practice, and focuses on the areas of hormones, cellular hydration and rejuvenation, women’s and men’s health, supplementation and nutrition to complement his medical practice.

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Dr Kew Chia Yng Cynthia
Obstetrician & Gynaecologist
MBBS (NUS, Singapore) 2000, M Med (O&G) (NUS, Singapore) 2005

Dr Cynthia Kew Chia Yng has received multiple awards for excellence in patient care and service including the Excellent Service Award 2008, Singapore Health Quality Service Award 2012-2013 and the Service From The Heart Award 2013.

Dr Kew has been the course director for several laparoscopy courses and invited to be the surgical trainer and speaker for international and local congresses and workshops. She continues to participate actively in training and education, and remains a visiting consultant and advanced laparoscopy/ hysteroscopy trainer at KK Women’s & Children’s Hospital.

Dr Kew has published in peer-reviewed journals and has been quoted in media articles and written on O&G topics for magazines. She was featured on the TV and Radio Programme 'Body & Soul' to discuss the topic of endometriosis and conducted live demonstrations using a laparoscopic trainer.

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Dr. Lim Ing Ruen
Ear, nose and throat surgeon
MBBS (NUS, Singapore) 1995, FRCS (RCPS, Glasgow, United Kingdom) 2000

Dr Lim specializes in Otorhinolaryngology, earned her Masters in Surgery (Otorhinolaryngology) from the Royal College of Physicians and Surgeons of Glasgow in 2000. Dr Lim received Fellowships from the Royal College of Physicians and Surgeons of Glasgow, the Academy of Medicine in Singapore and the American Academy of Otolaryngology Head and Neck Surgery.

Dr Lim further subspecializes in the field of Rhinology and Advanced Endoscopic Sinus Surgery. She was awarded the Health Manpower Development Programme (HMDP) Fellowship from the Ministry of Health to pursue this further in 2003. She gained full certification in the United States Foreign Medical Graduates Examinations and obtained a state licensure for the Rhinology Fellowship in 2003-2004 with the Hospital of University of Pennsylvania where she trained with the pioneer of endoscopic sinus surgery. She was also appointed a clinical lecturer at the University of Pennsylvania and was involved in medical student teaching during her tenure.

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Dr Guo Wei Qiang Kenneth
MBBS (NUS, Singapore) 2002, MRCP (UK) (RCP, United Kingdom) 2007

Dr Kenneth Guo is a cardiology specialist practising at Mount Elizabeth Novena Hospital, Singapore.

His clinical interests are treating patients with congenital heart disease, pulmonary arterial hypertension, chronic thrombolembolic pulmonary hypertension and right heart failure.

Dr Guo has made significant contributions for cardiology education and training. He has numerous publications and presentations at both local and overseas conferences, and was an adjunct assistant professor at the SingHealth-Duke NUS Academic Medical Centre, a core faculty member at the SingHealth Residency Programme in internal medicine and the SingHealth Senior Residency Programme in cardiology, a senior clinical lecturer at the Yong Loo Lin School of Medicine, NUS, and a lecturer at the Department of Biomedical Science (Cardiac Technology) at Singapore Polytechnic.

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Dr Chew Tec Hock Jeffrey
Orthopaedic Surgeon
MBBS (NUS, Singapore) 1989, FRCSEd (Gen Surg) (RCS, Edinburgh, United Kingdom) 1994

Dr Jeffrey Chew is an orthopaedic surgeon practising in Mount Elizabeth Hospital, Mount Elizabeth Novena Hospital and Parkway East Hospital, Singapore. He subspecialises in arthritis, hip and knee joint replacements and sports injuries. He is one of the largest users of robotic-assisted joint replacement in Southeast Asia.

Dr Chew completed his Bachelor of Medicine, Bachelor of Surgery at the National University of Singapore (NUS) in 1989. He then underwent basic training and became a fellow of the Royal College of Surgeons of Glasgow and of the Royal College of Surgeons of Edinburgh, UK in 1994 through the Health Manpower Development Programme (HMDP) award. He also received his Master of Medicine in surgery at NUS in the same year.

In 1995, Dr Chew received several scholarships to conduct biomechanics research on the patellofemoral knee joint at the Mayo Clinic Biomechanics Laboratory, Minnesota, USA. He presented his work as a finalist for the John Insall award at the American Knee Society. He was subsequently awarded his 2nd HMDP award in 1998 to undertake a 1-year clinical fellowship in the Adult Reconstructive Division of the Department of Orthopaedic Surgery at the Mayo Clinic.

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Dr Gurpal Singh
Orthopaedic Surgeon
MBBS (Singapore), MRCS (Edinburgh), M MED (Orthopaedic Surgery) (Singapore)

Dr Gurpal Singh is an orthopaedic surgeon at Mount Elizabeth Novena Hospital and Parkway East Hospital, Singapore.

He subspecialises in orthopaedic oncology, joint replacement, complex limb reconstruction and sports injuries.

He has more than 15 years of experience. His clinical practice treats bone and soft tissue tumours (benign and malignant), robotic-assisted joint replacement, complex limb reconstruction, and arthroscopic (keyhole) surgeries of the hip and knee, including sports injuries and meniscus/ligament reconstruction.

Dr Singh was a consultant orthopaedic surgeon at the National University Hospital (NUH), and a former consultant in surgical oncology at the National University Cancer Institute.

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Dr Anandakumar S/O Vellasamy
Orthopaedic Surgeon
MBBS (India), MRCSGlasg (UK), MRCSEdin (UK)

Dr Anandakumar Vellasamy is an orthopaedic surgeon practising in Mount Elizabeth Novena Hospital, Singapore.

He has a subspecialty interest in complex foot and ankle conditions, including sports injuries and lower limb trauma.

Dr Anandakumar offers minimally invasive surgical options for addressing complex foot and ankle disorders, traumatic injuries of the lower limb and various sports injuries such as arthroscopic (keyhole) surgery for cartilage defects and impingement, deformity correction, total ankle replacement for managing arthritis, and more.

He is experienced in the use of minimally invasive surgery (MIS) techniques to treat calcaneal fractures and correcting deformities including flat feet and bunions. He is also well versed in arthroscopic ankle surgery to address sports ligament injuries and the all-inside (knotless) technique for the Brostrum Gould Reconstruction surgery for ankle instability.

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Dr Yegappan Muthukaruppan
Orthopaedic Surgeon
MBBS (NUS, Singapore) 1992, FRCS (Gen Surg) (RCPS, Glasgow, United Kingdom) 1997

Dr Yegappan is an orthopaedic surgeon practising at Parkway East Hospital, Mount Elizabeth Hospital and Mount Elizabeth Novena Hospital, Singapore. He is a specialist in Orthopaedic Sports Medicine and does mainly arthroscopic reconstructive surgery of the knee and shoulder.

He pursued his sports medicine fellowship in the Methodist Sports Medicine Centre in Indianapolis, USA, from 2002 to 2003. His sub-specialty interest is in the management of cartilage lesions in the knee and ankle. Dr Yegappan has treated cartilage defects with both the first and second generation techniques of chondrocycte implantation. In addition, he also has a special interest in the management of multiple ligament injuries of the knee dislocations. Other conditions that Dr Yegappan treats include rotator cuff injuries, shoulder impingement, torn meniscus and other sports injuries.

Currently, Dr Yegappan’s expertise in arthroscopy has made him an instructor for the ISAKOS basic and advanced arthroscopic workshops in Singapore and the ASEAN region. He has travelled extensively in the ASEAN region to teach and perform live surgery

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Dr Aravind Kumar
Orthopaedic Surgeon
MBBS (The Tamil Nadu Dr MGR Med U, India) 1997, MRCS (RCPS, Glasgow, United Kingdom) 2001

After graduating from Madras Medical College in India, Dr Kumar undertook training in orthopaedic surgery in the UK. Upon receiving his bachelor degrees, he entered higher training in Cardiff and attained his fellowship of the Royal College of Surgeons, UK. He went on to take training in spinal surgery and spent 18 months at the spine unit in Cardiff. This was followed by spinal surgery fellowships at the Royal Perth Hospital in Australia and then at the Nottingham Spinal Unit, UK. He is a fellow of the Royal College of Physicians and Surgeons of Glasgow, UK.

Besides clinical work, he is currently an adjunct assistant professor at Yong Loo Lin School of Medicine at the National University of Singapore.

Dr Kumar has several publications and international presentations on spinal surgery. He is a recipient of the KTPH Clinical Service Champion Award for two years

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Dr Johann Tang
Radiation Oncologist
MBBS (Aust), FRANZCR (Radiation Oncology), FAMS

Dr Tang obtained his medical degree from the University of Newcastle, Australia in 1998, and completed his house officer training at the Hunter Area Health Service in Australia. After his successful training, Dr Tang returned to Singapore to start his speciality training in Radiation Oncology at the National University Hospital (NUH). Obtaining his fellowship from the Royal Australian College of Radiologist (FRANZCR) in 2006, Dr Tang underwent fellowships in breast brachytherapy at the University of Wisconsin and Arizona Breast Cancer Specialist Centre, as well as prostate brachytherapy, skin and paediatric fellowships at Peter Maccallum Cancer Institute, Australia. In 2021, Dr Tang underwent a fellowship at the New York Proton Centre with Dr Charles Simone in Head and Neck, Reirradiation, Paediatric, Prostate and Lung cancers.

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Our Doctors
Dr Chu Jiawan
MBBS (NUS, Singapore) 2006
Dr Eu Chin Yuan David
MBBS (Monash U, Australia) 1999
Dr Lim Jun Yang
MBBS (NUS, Singapore) 2018
Dr Lin Zhiyong
MBBS (NUS, Singapore) 2015
Dr Sophie Tan Jiaying
MBBS (NUS, Singapore) 2022
Dr Ten Ai Jing
MD (U Kebangsaan Malaysia, Malaysia) 2015
Dr Tan Teng Jie Shawn
MBBS (NUS, Singapore) 2018
Dr Viknesh Shanmugam
MB ChB (U of Auckland, New Zealand) 2016
Dr Xu Kuan
MD (Fudan U, China) 2012
Dr Yang Ing Hong Joseph
MBBS (University of Singapore, Singapore) 1978, Dip Derm Sc (U of Wales, United Kingdom) 1988
Dr Zeng Tao
MBBS (NUS, Singapore) 1999