Dr Gwee Kok Ann

Dr Gwee Kok Ann is a gastroenterologist practising at The Gastroenterology Group Pte Ltd, in Novena and Orchard. He specialises in managing irritable bowel syndrome (IBS) and constipation and is the lead author of the "Asian Consensus on the Irritable Bowel Syndrome."

Dr Gwee's expertise extends to a wide range of gastrointestinal conditions, including dyspepsia, indigestion, gas-related issues, bowel habit training, dietary management of food intolerance, refractory gastro-oesophageal reflux disease (GERD), H. pylori infection, and small intestinal bacterial overgrowth. His hepatology interests focus on the management of fatty liver and Hepatitis E.

He is an active member of the Rome Committee, which publishes international guidelines on functional gastrointestinal disorders, and received the Rome Foundation Research Award in 2014. Dr. Gwee also serves as the scientific chairman of the Southeast Asian Gastro Motility Association (SEAGMA) and has held leadership roles as the former president of the IBS Support Group and the Asian Neurogastroenterology and Motility Association (ANMA).

Additionally, Dr Gwee is an adjunct associate professor of medicine at the Yong Loo Lin School of Medicine, National University of Singapore. His research has been widely published, covering topics such as the role of probiotics in clinical management, post-infectious IBS, the effects of melatonin, sleep disturbances, and gluten sensitivity in IBS, as well as endoscopic evaluation of GERD and H. pylori treatment outcomes.

Dr Gwee Kok Ann is accredited to perform surgical procedures at Thomson Medical Centre, Gleneagles Hospital, and Parkway East Medical Centre.