Dr. Colvin received both Bachelor’s and Doctor of Medicine degrees from the University of Florida in Gainesville. Following medical school, he completed a surgical internship and a general surgery residency at Bethesda Naval Hospital in Maryland. He presently holds an academic position as an Associate Professor of Surgery for the Medical College of Virginia.

Dr. Colvin has held a variety of academic positions including Clinical Instructor in surgery at the Uniformed University of the Health Sciences during his military career. Dr. Colvin has served as a Clinical Assistant Professor of Surgery at Georgetown University since 1984 and is a recipient of Georgetown’s clinical surgical instructor of the year and surgical faculty of the year awards. He presently holds an academic position as an Associate Professor of Surgery for the Medical College of Virginia. He is very active in teaching surgery residents at INOVA Fairfax Hospital and has been named Teacher of the Year for Colon & Rectal Surgery in 2005 and 2008. Washingtonian Magazine named him a 'Top Doctor' in 2002, 2005, 2008, 2010, 2012, 2014, 2015.

He is the senior member of the practice and is a founding member of the Chesapeake Society of Colorectal Surgery. Dr. Colvin is a Fellow of the American College of Surgeons, the American Society of Colon and Rectal Surgeons, and the Society of Gastrointestinal Endoscopic Surgeons.

Dr. Colvin and his wife have two daughters and two grandchildren. Dr. Colvin is an avid fly fisherman, and he enjoys sailing and building wooden boats.