UCSF Health St. Mary's Hospital has been caring for the health of San Franciscans since 1857. We are an accredited, not-for-profit hospital located across the street from Golden Gate Park. St. Mary's is a full-service facility, home to the nation's first digital cardiac catheterization laboratory, innovative orthopedic and spine surgery, state-of-the-art cancer center, comprehensive rehabilitation programs, and renowned residency programs.