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After a doctor completes medical school and is licensed to practice medicine, the physician may pursue a rigorous 3 year training program in Internal Medicine.
A Nuclear Medicine physician is a doctor with three years additional training in advanced uses of radiopharmaceuticals to evaluate pathologic conditions of the body. Nuclear Medicine includes molecular imaging utilizing imaging systems to detect diseases or response to therapy.
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.