3 years
Emergency Medicine (~75% of programs)
Family Practice
Internal Medicine
Pediatrics
4 years
Anesthesiology
Dermatology
Emergency Medicine (~25% of programs)
Neurology
Ob/Gyn
Opthomalogy
Pathology
PM&R
Psychiatry
5 years
Diagnostic Radiology
General Surgery
Orthopedic Surgery
Otolaryngology
Radiation Oncology
Urology
6 years
Plastic Surgery (Integrated)
7 years
Neurosurgery
1. The above are generally accepted for most programs but are not iron clad. Some programs require 1-2 years of research.
2. Programs that are 4 or more years generally require that you do a preliminary year in medicine or surgery or a transitional year -- these are included in the list.