Colorectal Clinic Associates brings together four General and Colorectal surgeons Dr Charles Tsang, Dr Dean Koh, Dr Aileen Seah and Dr Victor Keng, who have a combined experience of 50 years’ practice in colorectal surgery and were formerly integral staff in the academic medical centre located in the National University Health System / Yong Loo Lin School of Medicine, National University of Singapore.

The group provides a full subspecialty service in colorectal surgery spanning all aspects of proctology, colon and rectal surgery including the latest in laparoscopic and robotic techniques, advanced gastrointestinal tract endoscopy, anal physiologicalassessment and endoluminal ultrasonography of the lower gastrointestinal tract.

Drs Tsang, Koh and Seah had completed their advanced training in ACGME (Accreditation Council for Graduate Medical Education) colorectal residency programmes as part of their subspecialty training in the United States. Dr Keng received his colorectal training at the University of Hull in the United Kingdom.

Having practiced in an academic colorectal unit, they provide cost effective, cutting edge surgery with published outcomes and are commited to ensuring quality surgical care with good outcomes.

Opening Hours


9.00 am - 1.00pm, 2.00 pm - 6.00 pm


9.00 am - 1.00pm, 2.00 pm - 6.00 pm


9.00 am - 1.00pm, 2.00 pm - 6.00 pm


9.00 am - 1.00pm, 2.00 pm - 6.00 pm


9.00 am - 1.00pm, 2.00 pm - 6.00 pm


9.00 am - 1.00pm


By appointments

Public Holidays By appointments

Address & Contact

Our Address

38 Irrawaddy Road, #10-48/49 Mount Elizabeth Novena Hospital, Singapore 329563


1.3225607633556, 103.84480972726