The Icahn School of Medicine at Mount Sinai, formerly the Mount Sinai School of Medicine, is a private medical school in New York City, New York, United States. The school is the academic teaching arm of the Mount Sinai Health System, which manages eight hospital campuses in the New York metropolitan area, including Mount Sinai Hospital and the New York Eye and Ear Infirmary.

Mount Sinai Hospital, founded in 1852, is one of the oldest and largest teaching hospitals in the United States. It is located in East Harlem in the New York City borough of Manhattan, on the eastern border of Central Park stretching along Madison and Fifth Avenues, between East 98th Street and East 103rd Street. The entire Mount Sinai health system has over 7,400 physicians, as well as 3,919 beds, and delivers over 16,000 babies a year.