Dr Sebastian Leong Kwai San

48 years of experience



Consultation Fee

$150 and above


MBBS (S’pore), M Med (Int Med), FAMS (Gastroenterology)

What I do

Dr Sebastian Leong Kwai San provides clinical services such as:
- Treatment of diseases in the gastrointestinal tract (from mouth to anus along the alimentary canal)

Diagnostic and Therapeutic procedures:
- Gastroscopy & Colonoscopy
Pick a clinic location & select time slot to make an appointment

Clinic Locations

The Leong Gut & Liver Clinic
Gleneagles Medical Centre #05-06
6 Napier Road, S 258499

There are no appointments available for this week.

Professional Statement

Dr Sebastian Leong Kwai San has more than 30 years of experience.  His clinic is located in Gleneagles Hospital and specialises in Gastroenterology.

Languages Spoken

English, Malay, Hokkien, TeoChew, Mandarin


University of Singapore, Faculty of Medicine 

Awards and Publications

Lee Choon Seng memorial scholarship (1969-1974)
Jane Prize in Paediatrics

Professional Positions and Memberships

Accredited Hospitals

Gleneagles Hospital
Mount Alvernia Hospital
Mount Elizabeth Hospital
See more [ + ] Mount Elizabeth Novena Hospital
Parkway East Hospital

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Insurances Accepted