how many years does a d.o. doctor need to study
Bachelor's degree followed by M.D. or D.O. Field(s) of Study: Pre-med or biological sciences then medicine: Prerequisites: High school diploma or equivalent; satisfactory MCAT scores: Program Length: 4 years for bachelor's degree; 4 years for medical school; 3-7 years in residency and fellowships depending on specialty: Licensure/Certification