Dr Quan Wai Leong

Senior Consultant in Gastroenterology, Advanced Therapeutic Endoscopy & Endosonography

MBBS (S’pore);
MRCP- UK;
FRCP- Edinburgh;
FAMS (Gastroenterology)

Dr Quan Wai Leong graduated from the Faculty of Medicine at the National University of Singapore in 1992. After obtaining his Membership from the Royal Colleges of Physicians (MRCP UK) in 1998, he furthered his advanced specialty training in Gastroenterology at Tan Tock Seng Hospital. Dr Quan received a 1-year scholarship at The Institute of Digestive Disease at Prince of Wales Hospital, Hong Kong as a visiting scholar. At this Centre of Excellence under the World Endoscopy Organization, Dr Quan mastered his sub-specialty skills in Advanced Therapeutic Endoscopy. These include luminal stent placement, ERCP, Spyglass Cholangioscopy, Endoscopic Ultrasound (EUS/FNA) as well as various Endoscopic Mucosal Resection techniques (EMR/ESD). Dr Quan has also obtained his Fellowship from the Royal College of Physicians (FRCP Edin) and is currently a Fellow of the Academy of Medicine, Singapore (FAMS) in Gastroenterology. To continue his affiliation with the public sector, Dr Quan provides his service to Khoo Teck Puat and Tan Tock Seng Hospital as a visiting consultant in advanced therapeutic  and interventional endoscopy including ERCP, Spyglass cholangioscopy and EUS.

As the Director of Endoscopy Centre at Tan Tock Seng Hospital from 2010 to 2017, Dr Quan established and coordinated the computerised simulation training service in endoscopy for the Gastroenterology, General Surgery, as well as the Respiratory Department at the hospital. His passion in therapeutic endoscopy has motivated him to introduce the SpyGlass cholangioscopy system in Singapore to treat large bile duct stones and manage difficult strictures. With this new technique, stones which were once challenging to remove without surgery can now be effectively tackled through the use endoscopy and Holmium Laser fragmentation.

Dr Quan started his own gastroenterology practice in 2017 at Novena area where he continues to provide his care and services for both local and international patients especially in the area of therapeutic endoscopy and endosonography. Besides being a peer reviewer in local and international medical journals, Dr Quan also shares his experience both online and at various local and international workshops and conferences in South East Asia, China and India. He believes in perpetual learning to better oneself in order to provide exceptional care for our patients.