Our Team
Real doctors. Real credentials. Real accountability.
Every patient is treated by a licensed medical doctor. Below are the physicians leading our weight loss programs — their qualifications, specialties, and the conditions they treat most often.
Medical team
Dr. Akkavich Harnnavachok
Medical Director
Metabolic Medicine
Dr. Phimphakarn Tantithummawong
Medical Director
Metabolic Medicine
Supported by the full Siam Clinic team.
Our two branches in Chalong and BISP share facilities, nursing staff, and pharmacy — giving your weight loss program the infrastructure of a larger medical practice.
Meet Your Doctor