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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 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
Associate Consultant
Dr Ong Ming Liang, Andrew MRCP (UK), MBChB (Edin)Gastroenterology & Hepatology


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