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Dr Koh Jianyi Calvin
Gastroenterology
Interventional Digestive Endoscopy, Pancreatobiliary Disease
Area(s) of Care
Adults
Surgery
Yes
Insurance Panels
Singlife, Prudential, HSBC Life, Great Eastern, Raffles
Languages
English, Mandarin
Qualifications
MBBS (Singapore), M.Med (Internal Medicine), MRCP (UK), FRCP (London), FAMS (Gastroenterology)
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Get to know more about the expert
Dr Koh Jianyi Calvin is a Gastroenterologist practising at The Gastroenterology Group, in Orchard, Novena, Thomson, and Joo Chiat.
Dr Koh specialises in the diagnosis and treatment of a wide range of gastrointestinal conditions, with particular expertise in interventional endoscopy, pancreatobiliary disease, and the management of gastric and colon cancer. His proficiency extends to advanced endoscopic procedures, including gastroscopy, colonoscopy, endoscopic ultrasound (EUS), endoscopic retrograde cholangiopancreatography (ERCP), small bowel enteroscopy, and the removal of colon polyps through endoscopic mucosal resection.
Dr Koh earned his medical degree (MBBS) from the National University of Singapore (NUS) and completed his specialist training at the National University Hospital (NUH). He was later awarded an Academic Medicine Development Award, allowing him to pursue an advanced endoscopy fellowship at the University of Florida, USA, under the auspices of the American Society for Gastrointestinal Endoscopy (ASGE).
Before joining The Gastroenterology Group, Dr Koh served as a Senior Consultant at NUH, where he was also the Director of Endoscopy. In addition, he held an academic position as an Assistant Professor at the NUS Yong Loo Lin School of Medicine, focusing on clinical and research interests in endoscopy, pancreatobiliary disease, and gastrointestinal cancers. He has authored over 50 academic papers published in both regional and international scientific journals and is actively involved in teaching, frequently serving as faculty at local and regional gastroenterology conferences.
Dr Koh is a Fellow of the Royal College of Physicians (FRCP) in London, a Fellow of the American Society of Gastrointestinal Endoscopy (FASGE), and a current committee member of the Chapter of Gastroenterology in the College of Physicians at the Academy of Medicine, Singapore. His contributions to the field have made him a respected figure in gastroenterology, both in Singapore and internationally.
He is accredited to perform surgical procedures at Thomson Medical Centre, Mount Elizabeth Novena Hospital, Mount Alvernia Hospital, and Gleneagles Hospital.