Siva Vithiananthan, MD FACS is a surgeon, board certified in general surgery and surgical critical care. He is fellowship trained in advanced laparoscopic surgery and surgical critical care. Dr. Vithiananthan's clinical focus is minimally invasive approaches to gastrointestinal diseases and bariatric(weight loss and metabolic) surgery. Metabolic and physiologic effects of weight loss surgery and advanced surgical techniques and outcomes in bariatric surgery are his main areas of research interest.
Dr. Vithiananthan is the Site-Director of Surgical Education at The Miriam Hospital. He is also the Director of the Center for Bariatric Surgery at the Rhode Island Hospital and The Miriam Hospital.