St. Mary's Medical Center is not only a hospital, but also a Level I Adult and Level II Pediatric Trauma Center with 24-hour emergency care and critical care. Ranked #4 Hospital in Minnesota St. Mary's Medical Center is ranked #4 out of 141 hospitals in Minnesota for 2021-22 by the U.S. News & World Report.Doctors & Providers‧Services & Specialties‧Patients & Visitors.