Cardiovascular disease medicine is a subspecialty of Internal medicine. After a doctor completes medical school and is licensed to practice medicine, the physician may pursue a rigorous, three-year training program in Internal Medicine.
The Vascular Surgeon is a doctor who completes a five- to seven-year residency-training program in vascular surgery. Vascular surgeons provide expert care for patients with diseases of the blood vessels and lymphatic system (excluding those of the brain and heart).
The American Board of Medical Specialties recognizes Family Medicine as a distinct discipline requiring an additional three years of training for doctors who wish to become Board Certified in this field. Family Medicine doctors are usually primary care providers (PCPs) [formerly general practitioners, or GPs] for the entire family.