Internists - Main Internists Internists diagnose and treat diseases and injuries of internal organs. Internists review patients' medical histories and examine patients to evaluate their symptoms. Then they prescribe medication or recommend dietary and activity programs. Internists are called doctors of internal medicine. Internists also work with people who have complex illnesses, such as AIDS or diabetes.
Internal medicine is the largest medical specialty.
Internists is a specialty of Physicians . For more information about Internists, see the Physicians occupation. Internists is in the Health Services Career Cluster.