Asst Prof Johnathan Lum

Dr Johnathan Lum received his graduate degree of Bachelor of Medicine and Bachelor of Surgery from King’s College London with Distinction in Medical Sciences. He obtained his Membership of Royal College of Physicians (United Kingdom) and Master of Medicine (Internal Medicine) from National University of Singapore. He completed his Senior Residency training and is a Specialist Accreditation Board (SAB) certified specialist in Gastroenterology and Hepatology. 

Dr Lum is currently a Consultant in the Department of Gastroenterology and Hepatology at Sengkang General Hospital. His interests are in clinical nutrition and intestinal failure. He was awarded the Health Manpower Development Plan Award by the Ministry of Health and has completed his International Clinical Fellowship in Intestinal Failure & Nutrition in St Mark’s Hospital and Academic Institute in London, United Kingdom under Professor Simon Gabe in 2024. He currently serves as the Head of the Nutrition Support Service in Sengkang General Hospital and has developed the Home Parenteral Nutrition service in this hospital. 

Dr Lum also has a strong passion for medical education and is deeply involved with the medical education service in Sengkang General Hospital. He holds the appointment of Clinical Assistant Professor at Duke-NUS medical school and Adjunct Lecturer in Lee Kong Chian School of Medicine. He is a Physician Faculty for Post-Graduate Year 1 (PGY1) programme and Gastroenterology Residency Programme in SingHealth.   

• 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 Accreditation in Gastroenterology and Hepatology (Singapore)

• Head, Nutrition Support Service, Sengkang General Hospital
• Clinical Assistant Professor, Duke-NUS Medical School
• Adjunct Lecturer, Lee Kong Chian School of Medicine
• Clinical Lecturer, Yong Loo Lin School of Medicine, NUS
• Physician Faculty, SingHealth PGY1 Residency Programme
• Physician Faculty, SingHealth Gastroenterology Residency Programme
• Member, Royal College of Physicians, United Kingdom
• Member, Gastroenterological Society of Singapore
• Member, European Society of Parenteral and Enteral Nutrition

• Singapore Health Quality Service Award, 2024
• SingHealth Long Service Award (10 year), 2023
• You Sparkle! Awards, 2023
• Young Investigator Award, EASL First NAFLD Summit, 2017

Singapore clinical guideline on parenteral nutrition in adult patients in the acute hospital setting.
JHM Lum, HEL Yeong, PE Tan, E Salazar, T Lee, YC Ng, JNC Chong, PW Yong, JPL Ong, SC Gooi, KH Fan, W Chen, MY Lim, KV Tay, DHL Ng.Ann Acad Med Singapore. 2025 June;54(6):350-369

Clinical implications of prompt ascitic drain removal among cirrhosis with refractory ascites.
YJ Wong, JHM Lum, PT Tan, EK Teo, J Tan, R Kumar, PH Thurairajah.
Singapore Medical Journal. 2021 Dec;62(12):659

Immunoglobulin G in non-alcoholic steatohepatitis predicts clinical outcome: A prospective multi-centre cohort study.
MA De Roza, Mehul Lamba, GBB Goh, JHM Lum, MCC Cheah, JH Ngu.
World Journal of Gastroenterology. 2021 Nov 11;27(43):7563

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.
Journal of Gastroenterology and Hepatology. 2021 Jan;36(1) : 257-261

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.
Nutrition. 2019 Nov 1;67:110515.

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