High Quality Content by WIKIPEDIA articles! Aurora Health Care is a not-for-profit health care system headquartered in Milwaukee and serving eastern Wisconsin. The system has 13 hospitals, over 100 clinics, and more than 80 community pharmacies. With 29,000 employees including 3,385 physicians, Aurora is one of Wisconsin`s largest private-sector employers. Since its formation in 1984, Aurora has expanded by acquisition of independent community hospitals and construction of new hospitals.