Corewell Health is a not-for-profit integrated health system in Michigan, formed by the February 2022 merger of Beaumont Health and Spectrum Health. It is the largest health system in the state, operating 21 hospitals and more than 300 outpatient locations with over 60,000 team members, including more than 12,000 physicians and advanced practice providers. The system also owns Priority Health, a provider-sponsored health plan serving over 1.3 million members. Corewell Health reported operating revenues of $17.6 billion in 2025.