Centegra Health System [SEP] inception
employer in McHenry County. It is now part of a network of more than 10 hospitals and 400 care locations. 
History.
History 1910s-1980s.
Centegra Health System was formed in 1995. In 1914 a group of physicians obtained a charter for a hospital in the home of Dr. Hyde West in Woodstock, Illinois. The lead to the building of Woodstock Memorial Hospital on South Street in Woodstock, Illinois. Currently this building is used as Centegra Specialty Hospital - Woodstock. In 1956, Dr. Lee Gladstone built a clinic in
Centegra Health System
Centegra Health System was a system of health care providers in McHenry County, Illinois, United States. It comprised three hospitals, two fitness centers, four immediate care centers, nearly a dozen physician care locations and numerous specialty care services. As of 2013, the system had over 4,000 employees and 500 volunteers. Centegra has nearly 460 physicians on staff. On September 1, 2018 Centegra was acquired by Northwestern Medicine of Chicago, Illinois. Prior to its acquisition by Northwestern Medicine, Centegra was the largest independent