The various types of residencies are listed below. These are unofficial assignments derived from published materials and are offered only for information. Many specialties offer advanced fellowship training after residency (typically one to three years). Consult the current AMA Graduate Medical Education Directory (the Green Book) for the official requirements and required length of advanced training.

Specialty

Length of Training*

Anesthesiology3 years plus PGY-1 Transitional/Preliminary
Dermatology3 years plus PGY-1 Transitional/Preliminary
Emergency Medicine3-4 years
Family Practice3 years
General Surgery5 years
Internal Medicine3 years
Neurology3 years plus PGY-1 Transitional/Preliminary
Neurosurgery7 years
Obstetrics/Gynecology4 years
Ophthalmology3 years plus PGY-1 Transitional/Preliminary
Orthopedic Surgery5 years (includes one year of general surgery)
Otolaryngology5 years
Pathology4 years
Pediatrics3 years
Physical Medicine3-4 years
Plastic Surgery6 years
Psychiatry4 years
Radiation Oncology4 years plus PGY-1 Transitional/Preliminary
Radiology, Diagnostic4 years plus PGY-1 Transitional/Preliminary
Transitional/Preliminary1 year
Urology5 years (includes one year of general surgery)

*Minimum number of years of postgraduate training for eligibility for board certification