Consultant Gastroenterologist and Internal Medicine Specialist
Visiting Consultant

MBBS, MRCP (UK), M.MED (Internal Medicine),
FAMS (Gastroenterology)

Gastroenterologist (Gastroscopy and Colonoscopy) – Visiting Consultant

Dr Loh is a Ministry of Health accredited specialist in both Gastroenterology and Internal medicine. He is one of the few doctors in Singapore who is specialist in two specialties. With his background in gastroenterology and advanced internal medicine, he is experienced in managing complex gut, liver and general medical problems, which are often interrelated and need a holistic approach in the management. His niche is in the treatment of viral hepatitis and advanced liver diseases. He underwent further training in the field of liver transplantation at Kaohsiung Chang Gung Memorial Hospital, which is the leading hospital in Asia performing living donor liver transplantation. He is also approachable and well versed in several languages. His personality has won him several awards for his service excellence

The endoscopic experience is unique in MWH Medical Specialists Centre as consultation, preparation and procedures can all be done on the same day. 


  • Bachelor of Medicine and Bachelor of Surgery (MBBS) (University of Malaya)
  • Master of Medicine in Internal Medicine (National University of Singapore)
  • Member of the Royal Colleges of Physicians of the United Kingdom (MRCP)
  • Fellow of the Academy of Medicine Singapore in Gastroenterology (FAMS)
  • Singapore Accreditation Board certified Gastroenterologist
  • Singapore Accreditation Board certified Internal Medicine Specialist


  • Singapore Health Quality Service Award (Silver) 2010
  • Singapore Health Quality Service Award (Gold) 2011
  • Eastern Health Alliance Caring Award (Silver) 2012
  • Best educator award (medical-undergraduate) (Changi General Hospital) 2014
  • Dean’s award for teaching excellence (NUH) 2014
  • Healthcare and Manpower Development Program award (Ministry of Health) 2014


  • Consultant Gastroenterologist and Internal Medicine specialist at MWH Medical Specialists Centre and Singapore Medical Specialists Centre
  • Medical director for Singapore emergency ambulance services
  • Former consultant at Changi General Hospital
  • Former core faculty for Singhealth gastroenterology senior residency program
  • Former clinical senior lecturer for NUS Yong Loo Lin school of medicine

Languages Spoken

English, Chinese, Malay, Hokkien, Cantonese


Consultation and treatment

Esophageal and gastric conditions

  • heartburn, acid reflux, difficulty swallowing, gastric pain, indigestion, bloating, Helicobacter pylori infection, gastric ulcer

Small and large bowel conditions

  • irritable bowel syndrome, diarrhea, constipation, change of bowel movement, blood in stool

Liver conditions

  • jaundice, liver inflammation, viral hepatitis, fatty liver, liver cirrhosis/ hardening, liver cancer

Gall bladder, bile duct and pancreatic conditions

  • gall stone, gall bladder inflammation, pancreatitis

Cancer screening

  • Stomach cancer, colon cancer and liver cancer screening

General medical conditions

  • Various conditions from Diabetes Mellitus, high blood pressure to other unspecified illnesses such as fever, weight loss and dizziness

Health screening

  • personalized screening which is tailored to individual specific needs

Diagnostic and therapeutic endoscopic services

  • Gastroscopy
  • Colonoscopy
  • Polypectomy (Polyp removal)
  • Banding of esophageal varices (swollen esophageal blood vessels in liver hardening)
  • Hemostasis of ulcer bleeding
  • Capsule endoscopy