DO vs. MD: Understanding the Difference Between Doctors of Osteopathic Medicine and Medical Doctors

A doctor of osteopathic medicine (DO) is a physician, not an allied health professional. DOs are fully licensed physicians who have completed four years of medical school and a one-year internship, just like MDs. DOs also receive additional training in osteopathic manipulation, a hands-on technique used to diagnose and treat injuries and illnesses.