John L Ferrell III, MD

John L Ferrell lll, MD

John L Ferrell III, MD

Now Serving Patients in North Bethesda, DC, Columbia


Dr. John L. Ferrell III is co-founder and managing partner of ROSM. He is a board-certified Family Medicine Physician with fellowship training in Sports Medicine and Musculoskeletal Sonography. He has served as a Team Physician for DC United and the DC Divas. Dr. Ferrell received his medical degree from The Pennsylvania State College of Medicine, and he did a General Surgery internship at the Milton S. Hershey Medical Center. He went on to spend four years in the Navy as a General Medical Officer taking care of sailors and their families. Afterward, he completed his Family Medicine training at MedStar Franklin Square Medical Center in Baltimore, where he served as Chief Resident. Dr. Ferrell then went on to complete his Sports Medicine Fellowship at Fairfax Family Practice. During his fellowship, Dr. Ferrell worked with the Washington Nationals’ and Redskins’ and served as a Team Physician for George Mason University while receiving intensive training in ultrasound diagnostics of musculoskeletal injuries and regenerative medicine injections.

After years of training in martial arts, Dr. Ferrell knows first-hand what it is like to recover from an injury and can better empathize with his patients because of it. He believes in a holistic approach to the musculoskeletal system and that bodies need to be treated as one entity.

Dr. Ferrell’s primary focus is on non-surgical management of orthopedic problems using regenerative medicine to include Microfragmented Adipose (MFAT) Bone Marrow Aspirate Concentrate (BMAC), Platelet Rich Plasma (PRP), Prolotherapy, and Tenex. He has also been a speaker at conferences and trained Physicians Nationally and Internationally on Regenerative Medicine and ultrasound. He is involved in research on regenerative medicine and currently, he serves as Community Faculty for the University of Maryland, Capital Regional Health, Family Medicine Residency.