Mayo Clinic

Mayo Clinic's main hospital, officially named Mayo Clinic Hospital – Rochester, is a teaching hospital with 2,059 beds in Rochester, Minnesota, in the United States. It combines the Saint Marys Campus, which includes the Mayo Eugenio Litta Children's Hospital, with the Methodist Campus, and is a central part of the Mayo Clinic academic medical center. Saint Marys was founded in 1889 by the Sisters of Saint Francis of Rochester under Mother Alfred Moes, and the two campuses were brought together under one name in January 2014.

Newsweek and Statista rank "Mayo Clinic - Rochester" No. 1 in World's Best Hospitals 2026, a Top 250 list for which more than 2,500 hospitals were evaluated, drawing on patient experience data and patient-reported outcome measures. In Nature Index's 2026 Research Leaders table for healthcare institutions, which ranks research output, Mayo Clinic as a whole is No. 3, with a 2025 Share of 171.14 from a Count of 586.

Wikipedia describes the hospital as one of the world's largest healthcare research centres, with more than 12,000 clinical trials active at any one time. On its own, the Saint Marys Campus counts 1,265 licensed beds and 64 operating rooms, and in 2008 it recorded 63,000 admissions and 28,000 surgical cases. It also holds the largest intensive care unit in the US, with about 200 ICU beds plus about 200 step-down beds, and is accredited as a Level I trauma center and stroke center.

Sources of this text: Wikipedia · Newsweek / Statista · Nature Index (Springer Nature)