Columbia St. Mary's, Inc.

Columbia St. Mary's serves Southeastern Wisconsin (Milwaukee, Ozaukee, and Washington counties) through a health care network that includes four hospitals -- Columbia St. Mary's Milwaukee Campus, Columbia St. Mary's Ozaukee Campus, Columbia St. Mary's Columbia Campus, and the Sacred Heart Rehabilitation Institute. Other members of the health system include about 50 community clinics, the Columbia College of Nursing, the River Woods Outpatient Center and the Cathedral Square Urgent Care Center. The Catholic Sisters of Charity founded St. Mary's Hospital in Milwaukee in 1848 at the request of Bishop John Martin Henni. The company is sponsored by Ascension Health and Columbia Health System.