Dr. Chinnappan obtained his medical degree from the University of Madras, Madras Medical College in Chennai, India, in 1994. After graduation, he pursued advanced surgical training in India, UK, Singapore and USA. He also served as Chief Resident at the Bronx Lebanon Hospital Center, New York, affiliated to the Albert Einstein College of Medicine during his surgical residency. Dr. Chinnappan completed a Fellowship in Bariatric & Minimally Invasive Surgery at the Geisinger Medical Center, Danville, PA.

He has made many presentations at both national and international surgical meetings. He was awarded the SLS Outstanding Laparoendoscopic Resident Award by the Society of Laparoendoscopic Surgeons. He has been consistently awarded the Vitals Patients’ Choice Award, On-Time Doctor Award and Compassionate Doctor Recognition Award.

Dr. Kumaran Chinnappan is Board certified in Surgery. He is a fellow of the American College of Surgeons and a Fellow of the American Society for Metabolic and Bariatric Surgeons (ASMBS). He is also a Fellow of the Royal College of Surgeons, London, UK.

As founder of Arch Bariatrics, his philosophy is understanding and being sensitive to each patient’s unique needs in their weight loss journey. He believes educating patients through an integrated team approach is key to helping them be their own architects in achieving and maintaining a healthy and active lifestyle.  

He currently serves as the Medical Director of the Weight Loss Surgery Program at Mercy Hospital South in St. Louis, Missouri

Dr. Kumaran is married and has two children. His interests include basketball, skiing and tennis.