SSM Health Saint Mary's Hospital – Madison, formerly St. Mary's Hospital, is a 440-bed not-for-profit hospital located in Madison, Wisconsin that serves 18 surrounding south-central Wisconsin counties. It is a part of the SSM Health system based in St. Louis. Sister hospitals in Wisconsin include St. Clare Hospital in Baraboo and St. Mary's Janesville Hospital. In June 2020, St. Mary's Hospital had 440 hospital beds.