St. Joseph Mercy Ann Arbor Hospital is a 537-bed teaching hospital located on a 340 acre campus in Ann Arbor, Michigan. Saint Joseph Mercy Health System offers a full array of services. We specialize in cancer, cardiovascular, orthopedics, neurosciences, and women and children's health. We also offer treatment and care in many other areas, including emergency services, surgery, endoscopy, radiology, and home care/hospice. Whether you're coming here for open heart surgery or a lab test, our staff will ensure that your experience is remarkable.