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Internal Medicine

Caring for Adults Along Life's Journey

Internal medicin physicians complete at least three years of residency training learning how to prevent, diagnose, and treat diseases that affect adults. Physicians in this specialty are often referred to as internists, or IM physicians. Many internists enter into practice upon completing a three-year residency. But many go on to receive additional training "fellowships" in subspecialties, such as cardiology, gastroentrology and oncology.

General internists are experts at adult medicine. They specialize in diagnosis, treatment of chronic diseases and in health promotion and prevention in adults. Many practice primary care, limiting their patient population to people over the age of 18. Although they are primary care providers, they are not general practitioners or familiy physicians, whose training may include pediatrics, obstetrics and surgery.