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Gastroenterology & Hepatology Overview

The Department of Gastroenterology & Hepatology is adept with managing a wide spectrum of gastroenterology and hepatology diseases of varying severity. Our doctors are skilled in various procedures, including advanced diagnostic / therapeutic endoscopy and bedside liver biopsies. All procedures and investigations are performed in an environment with state-of-the-art facilities.

The Department of Gastroenterology & Hepatology provides diagnosis and treatment of disorders of the gastrointestinal tract, liver and pancreas in particular for the following medical conditions:

  • Acute and Chronic Viral Hepatitis
  • Management of Advanced Liver Cirrhosis and Portal Hypertension
  • Colorectal Cancer screening
  • Pancreato-biliary diseases 
  • Hepatobiliary cancer
  • Liver Transplantation
  • Ulcerative Colitis and Crohn's Disease
  • Malabsorption
  • Early Gastrointestinal Cancer
  • Functional Bowel Disease 
  • Nutrition (parenteral and enteral)
  • Barrett's esophagus, early gastric cancer and colonic polyps

Diagnostic and Therapeutic Management

  • Gastroscopy and Colonoscopy
  • Biliary Obstruction (cancers and stones)(ERCP)
  • Bleeding Varices and Ulcers
  • Endoscopic Ultrasonography
  • Capsule Endoscopy
  • Double-balloon Enteroscopy 
  • Endoscopic resection (EMR and ESD) of polyps and early cancers
  • Advanced endoscopic imaging (Narrow band imaging and chromoendoscopy)

General Gastroenterology Clinic

Clinic schedule: Monday to Friday, 8.00am - 5.00pm

Hepatitis Treatment Clinic

Referral criteria: Chronic Hepatitis B and C

Clinic schedule: Every Monday, 10.00am - 12.30pm

Colorectal Cancer Screening Clinic

Clinic schedule: Every Wednesday , 9am -11.30am

Inflammatory Bowel Disease Clinic

Referral criteria: Ulcerative colitis and Crohn's Disease

Clinic schedule: Every Thursday 2.00pm - 4.30pm

Liver Transplant Clinic

Clinic schedule: Every Thursday, 8.30am - 12.30pm

Screening Colonoscopy Clinic

Clinic G : Every Friday, 2.00pm - 4.30pm
Tel: 6326 6728 / 6729

Gut & Liver Lab

Block 5 Level 4 Room 2 & 4
Tel: 6321-4547

Procedures provided by the lab:

  • 24 Hr pH Study
  • Staionary Esophageal Manometry
  • Bravo pH Capsule
  • Fibroscan
  • Capsule Endoscopy
  • 24 Hr pH and Impedance Study 
  • Hydrogen Breath Test
Staff MembersSub-Specialty
Head; Director, Endoscopy Centre & Senior Consultant
Dr Christopher Khor Jen Lock MBBS, FRCP Edin, FAMS, FASGEGastroenterology, Pancreatico-Biliary Diseases, Early Gastrointestinal Cancer; Procedures - ERCP, Endoscopic Ultrasound (EUS) Diagnostic Endoscopy , Advanced Endoscopic Imaging, Therapeutic Endoscopy, Endoscopic Stenting, Endoscopic Resection (EMR & ESD)
Senior Consultant
Dr Jason Chang Pik Eu MBBS (Spore), MRCP(UK), MMed (Int Med), FAMSHepatology, Cirrhosis & Portal Hypertension, Liver Fibrosis, Liver Cancer; Procedures - Diagnostic Endoscopy, Therapeutic Endoscopy
Dr Lim Chee Hooi MBChB (UK), MD (UK), FRCP (London), MRCP (UK), PGC Health Research (UK), PGC Med Ed (UK)Gastroenterology, Procedures - Screening Derived Colonoscopy, Diagnostic & Interventional/Therapeutic Endoscopy, Endoscopic Mucosal Resection (EMR)
Prof Ng Keng Yeen MBBS (Spore), MMed (Int Med), FAMS, FRCP Edin, FRACPGastroenterology, Hepatology, Viral Hepatitis, Liver Cancer; Procedures - Diagnostic Endoscopy
Dr Ong Wai Choung MBBS, MRCP(UK), FAMSGastroenterology, Therapeutic Endoscopy, ERCP; Procedures - Diagnostic Endoscopy , Therapeutic Endoscopy, ERCP, Endosonography (EUS), Endoscopic Stenting
Dr Steven Mesenas MBBS (Spore), MRCP(UK), FAMSGastroenterology, Pancreatico-biliary Diseases; Procedures - Diagnostic Endoscopy , Therapeutic Endoscopy, ERCP, Endosonography (EUS), Endoscopic Stenting
Assoc Prof Tan Chee Kiat MBBS (Spore), FRCP Edin, FAMSHepatology, Liver Cancer, Liver Transplantation, Viral Hepatitis; Procedures - Diagnostic Gastroscopy
Dr Tan Meng Yew Damien MBBS (Spore), MRCP(UK), FAMSGastroenterology, Pancreato-biliary Diseases; Procedures - Diagnostic Endoscopy , Therapeutic Endoscopy, ERCP, EUS and Endoscopic Stenting
Dr Vikneswaran N MBBS (Spore), MRCP(UK), FAMSGastroenterology, Gastroesophageal Reflux Disease (GERD) , Irritable Bowel Syndrome and Motility Disorders, Early Gastrointestinal Cancers & Dysplasia, Procedures - Diagnostic Endoscopy , Advanced Endoscopic Imaging, Therapeutic Endoscopy, Endoscopic Resec
Dr Wang Yu Tien MBBS (Sydney), MRCP(UK)Neuro-gastroenterology and Motility; Procedures - Diagnostic Endoscopy, Therapeutic Endoscopy
Consultant; Director, Inflammatory Bowel Disease Centre
Dr Shim Hang Hock BM (UK), MRCP (UK), M Med Int Med (Spore)Gastroenterology and Hepatology; Inflammatory Bowel Disease; Procedures: Diagnostic and Therapeutic gastroscopy; colonoscopy and small bowel enteroscopy; Wireless Capsule Endoscopy
Dr Chin Yung Ka MBChB (Aberdeen), MRCP (UK)Gastroenterology and Hepatology
Dr Doreen Koay Siew Ching MB BCh BAO (Ireland), MRCP (UK)Gastroenterology & Hepatology
Dr George Goh Boon Bee MBBS (UK), MRCP (UK), M.Med (Int Med)Gastroenterology and Hepatology
Dr Rajneesh Kumar MBBS (India), MD (Med)(India), MRCP (UK)Hepatology, Viral Hepatitis, Liver Failure; Procedures – Diagnostic Endoscopy & Therapeutic Endoscopy
Dr Reina Lim Tee Gan MB ChB (Glasgow, UK); MRCPS (Glasgow, UK); PhD (Birmingham, UK)Hepatology, Liver Transplantation, Metabolic Liver Disease, Alcoholic Liver Disease; Procedures- Diagnostic and Therapeutic Endoscopy
Dr Tan Hiang Keat MBBS (Spore), MRCP (UK)Gastroenterology & Hepatology, Viral Hepatitis, Liver Cirrhosis & Portal Hypertension; Procedures - Diagnostic Endoscopy, Therapeutic Endoscopy
Dr Thinesh L. Krishnamoorthy BSc (Hons), MBChB(UK), MRCP (UK)Gastroenterology & Hepatology
Dr Chan Pak-Wo, Webber MBBS(HK), MRCP (UK), Specialty Certificate in Gastroenterology (MRCP)Inflammatory Bowel Disease, General Gastroenterology and Hepatology, Procedures : Diagnostic and therapeutic endoscopy, capsule endoscopy
Associate Consultant
Dr Ennaliza Salazar MBCHB, MRCPGastroenterology and Hepatology
Dr Ong Ming Liang, Andrew MRCP (UK), MBChB (Edin)Gastroenterology & Hepatology
Dr Ravishankar Asokkumar MBBS (India), MRCP(UK)General Gastroenterology and Hepatology, Inflammatory Bowel Disease, Diagnostic and Therapeutic Endoscopy
Senior Consultant & Chairman, Division of Medicine
Assoc Prof Chow Wan Cheng MBBS (Spore), MMed (Int Med), MRCP(UK), FAMSHepatology, Viral Hepatitis, Autoimmune Liver Disease, Liver Transplantation; Procedures - Diagnostic endoscopy , Therapeutic Endoscopy


To make or change appointment:


Department Office:

Academia, Level 3
Tel: 6321-4684
Fax: 6227-3623
(for departmental matters only)

Last Modified Date :15 Aug 2017