Dr John Wong

Dr John Wong is a consultant gastroenterologist in Coventry and Leamington Spa. He specialises in diagnosing and the treatment of a broad range of gastrointestinal problems including acid reflux, abdominal pain and indigestion. He is an expert in endoscopy, liver disease and biliary conditions, conducting investigations and treatments with gastroscopy, colonoscopy and endoscopic retrograde cholangiopancreatography (ERCP).

Dr Wong qualified from the University of Wales College of Medicine in 1993. He underwent specialist gastroenterology training in the West Midlands, including a rotation at the Liver Unit in Birmingham. He later undertook a research fellowship at Peninsula Medical School, which culminated in a research project, “Optimising thiopurine use in inflammatory bowel disease”, for which he was awarded an MD in 2005. He is a fellow of the Royal College of Physicians London and the European Board of Gastroenterology and Hepatology.

Dr Wong pioneered the use of shortwire system with ERCP at University Hospitals Coventry and Warwickshire NHS Trust (UHCW), where he offers advanced endoscopy services such as cholangioscopy and endoscopic electrohydraulic lithotripsy (EHL therapy) for complex biliary conditions, endoscopic upper gastrointestinal (GI) stenting in benign as well as cancer cases, and endoscopic ultrasound (EUS). He supported the development of the specialist minimally invasive weight loss endoscopy service at UHCW, including intragastric balloons and endoscopic sleeve gastroplasty (ESG).

He was the endoscopy service lead at UHCW from 2020 to 2024. He is actively involved in endoscopy training for ERCP and EUS. He has taught endoscopy trainees from UK and Europe.

He is a member of the British Society of Gastroenterology (BSG), The European Society of Gastrointestinal Endoscopy (ESGE), the British Association for the Study of the Liver, and the British Obesity and Metabolic Specialist Society.