Adjunct Assistant Professor Tan Siong San is a Senior Consultant Surgeon with 20 years of clinical experience.

A graduate of National University of Singapore School of Medicine in 1999, Dr Tan trained in general surgery and hepato-pancreato-biliary (HPB) surgery in Changi General Hospital and Singapore General Hospital. He was admitted as a Fellow of the Royal College of Surgeons of Edinburgh in 2008 upon successful completion of his Advanced Surgical Training.

He was awarded the Singhealth HMDP Award in 2010 to pursue further training in HPB surgery and liver transplantation at Chang Gung Memorial Hospital in Linkou, Taiwan.

In 2011, Dr Tan was appointed the Director of HPB service in Changi General Hospital. Over 9 years, he helped expand the capability of the HPB team to include minimally invasive HPB surgery. While maintaining his proficiency in general surgery procedures such as hernia, stomach and colon resections, Dr Tan’s main focus is providing evidence-based surgical care for patients with HPB conditions such as liver and pancreatic cancer.

Dr Tan is heavily involved in the training of future generation of doctors, being a Clinical Core Faculty Member and Program Evaluation Committee Member in the SingHealth Residency Program for General Surgery. He is also a Clinical Teacher and Examiner for Yong Loo Lin School of Medicine (National University of Singapore) and was awarded the Dean’s Award for Teaching Excellence for academic year 2008/2009. He was conferred the title of Adjunct Assistant Professor by Duke-NUS in 2019.

Dr Tan accepts referrals for all cancer types, with special clinical interest in hepato-pancreato-biliary surgery including liver, gallbladder, bile duct and pancreatic surgery for the treatment of liver and pancreatic cancer, and stomach, bowel and colon surgery.