Columbia St. Mary's comprises five hospitals, Columbia St. Mary's Hospital Milwaukee (including Sacred Heart Rehabilitation Institute and the Women’s Hospital), Columbia St. Mary’s Hospital Ozaukee, and the Orthopaedic Hospital of Wisconsin. 

In addition, there are 62 primary care clinics, the Columbia College of Nursing, and an affiliation with Madison Medical Affiliates. 
The system serves Milwaukee, Ozaukee, Washington and Sheboygan counties, with more than 164 years of service. Columbia St. Mary’s is transforming health care through its leading cardiovascular services, robotic surgery, Trilogy cancer technology, Bariatric Services, Orthopaedic Surgery, Spine Center, Milwaukee Institute of Minimally Invasive Surgery, Heitz Radiation Oncology Center, Regional Burn Center, Van Dyke Haebler Center for Women’s Imaging, Wound Healing Centers, accredited chest pain centers, certified primary stroke centers, Wisconsin Chiari Center, and full women’s health services including the Heart Secrets Program. 

Columbia St. Mary's and its sponsor organizations, Ascension Health and Columbia Health System, share a mission to make a positive difference in the health status and lives of individuals in the community with a special concern for those who are vulnerable. For more information, visit www.columbia-stmarys.org.