Specialties

Here is a synopsis of different medical specialties and subspecialties and the length of their training programs (internship, residency, fellowship) after medical school:

• Anesthesiology - 4 years
• Dermatology - 4 years
• Emergency Medicine - 3-4 years
• General Surgery - 5 years; Subspecialties of Surgery require an additional 1 to 4 years after the 5 year residency, they include: Vascular Surgery, Cardio-Thoracic Surgery, Pediatric Surgery, Colon and Rectal Surgery. Some surgical specialties require 1-2 years of General Surgery, then an additional 3-5 years of specialty training, they include: Neurosurgery, Orthopedic Surgery, Ophthalmology, Otolaryngology, Plastic Surgery, and Urology
• Internal Medicine - 3 years; subspecialties of Internal medicine require an additional 2-3 years after the 3 year residency, they include: Cardiology, Endocrinology, Gastroenterology, Geriatrics, Hematology, Oncology, Infectious Diseases, Nephrology, Pulmonary, Rheumatology
• Neurology - 4 years
• Obstetrics and Gynecology - 4 years
• Pathology - 4 years
• Pediatrics - 3 years; subspecialties of Pediatrics require and additional 2-3 years after the 3 year residency, they include: Pediatric Cardiology, Pediatric Endocrinology, Pediatric Gastroenterology, Pediatric Infectious Diseases, Pediatric Critical Care, Neonatology, Pediatric Nephrology, Pediatric Pulmonology, Pediatric Rheumatology
• Psychiatry - 4 years
• Radiology - 4-5 years; subspecialties of Radiology require and additional 1-2 years after residency, they include: Neuroradiology, Vascular and Interventional Radiology, Pediatric Radiology

For more info see this page.