High Quality Content by WIKIPEDIA articles! Step 3 is the final exam in the USMLE series of examinations. It is part of the licensing requirements for M.D.s, D.O.s, and FMGs to practice medicine in the United States. It is considered as the final step in the series of medical licensure examinations. It generally is a pre-requisite of the majority of the state licensing boards. USMLE Step 3 tests several concepts that are often required to provide general health care to a patient. USMLE Step 3 is... Mehr