Johnathan Lum Huey Ming
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Dr Johnathan Lum

Dr Johnathan Lum Huey Ming

​MBBS (London), MMed (Internal Medicine), MRCP (UK)


Sengkang General Hospital

Specialty: Gastroenterology & Hepatology, General Medicine

Conditions Treated by this Doctor:
Diarrhoea, Dyspepsia (Peptic Ulcer Disease), Fatty Liver, Irritable Bowel Syndrome, Liver Cirrhosis, Reflux/Gastro Oesophageal Reflux, Viral Hepatitis.

Clinical Appointments

  • Consultant Department of General Medicine Sengkang General HospitalSengkang General Hospital
  • Consultant Gastroenterology and Hepatology Service Sengkang General HospitalSengkang General Hospital

Academic Appointments

  • Clinical Faculty Member SingHealth Duke-NUS Medicine Academic Clinical Programme


​Dr Johnathan Lum received his graduate degree of Bachelor of Medicine and Bachelor of Surgery from King's College London in 2011. He obtained his Membership of Royal College of Physicians (United Kingdom) and Master of Medicine (Internal Medicine, Singapore) in 2014. He underwent his Gastroenterology and Hepatology specialist training in Singapore General Hospital and Changi General Hospital from 2017 to 2020.

In 2020, he obtained his specialist accreditation for Gastroenterology and Hepatology.

Dr Lum is currently a Consultant in Gastroenterology and Hepatology, in the Department of General Medicine at Sengkang General Hospital. His interests are in clinical nutrition and is passionate about teaching medical students and junior doctors.


Bachelor of Medicine and Bachelor of Surgery, King's College London

Master of Medicine (Internal Medicine), National University of Singapore

Membership of the Royal College of Physicians, United Kingdom

Specialist Acceditation in Gastroenterology and Hepatology (Singapore)

Professional Appointments and Committee Memberships

  • Clinical Faculty - Singhealth Duke-NUS Medicine Academic Clinical Programme
  • Clinical lecturer – Yong Loo Lin School of Medicine, NUS
  • Member, Royal College of Physicians, United Kingdom
  • Member, Gastroenterological Society of Singapore
  • Member, American Gastroenterological Association


​European Association for the Study of the Liver

First NAFLD Summit 2017

Young Investigator Award

Research Interests


​Clinical profile of non-alcoholic fatty liver disease in nonobese patients.

JHM Lum, MCC Cheah, WQ Leow, WK Wan, TKH Lim, WC Chow, JPE Chang, GBB Goh.

Published in Journal of Gastroenterology and Hepatology on 18th June 2020.


Do total parenteral nutrition and bowel rest reduce the risk for perforation in patients with gastrointestinal tract lymphoma receiving chemotherapy?

YJ Wong, JHM Lum, SF Chong, ST Lim, E Salazar

Published in Journal of Nutrition on 1st March 2019


Autoimmune Markers in NASH predict Clinical Outcome: Multicentre Observational Study.

M Lamba, MA De Roza, CA Stedman, JHM Lum, GBB Goh, JH Ngu. Gastroenterology, Vol 156, Issue 6, S-1216

Research Trials