John Diefenderfer, DO

John earned his undergraduate degree at Sewanee-The University of the South in Sewanee TN, and was awarded a master’s degree in biological sciences from Drexel University College of Medicine in Philadelphia PA. He completed medical training at the West Virginia School of Osteopathic Medicine, family medicine training at St. Vincent’s Family Medicine Residency in Jacksonville, FL, and both a sports medicine fellowship and ONMM residency at Maine-Dartmouth. He joined Maine-Dartmouth as a faculty member in September 2020 and splits his time between the family medicine and ONMM residencies. John’s personal interests include road and mountain cycling, CrossFit, and soccer.

Dr. Diefenderfer has no actual or potential conflict of interest, financial relationship/arrangement or affiliation with any entity producing, marketing, re-selling or distributing health care goods or services consumed by, or used on, patients.