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Meet our Bariatric Team

Our bariatric team is led by Mark Colquitt, MD, a board-certified surgeon with many years of experience and thousands of bariatric surgeries.

Dr. Colquitt

Mark A. Colquitt, MD, FACS, FASMBS

Dr. Colquitt was born in Knoxville. He completed four years of active duty in the Navy as a surgeon prior to returning to East Tennessee in 1994.


Sean Hagstrom, ACSM-EP, ACE-WMS
Exercise Physiologist

Rachel Ignomirello, MS, RDN, CSOWM, LDN
Clinical Dietitian

Melissa Litton, RN
Bariatric Coordinator