Oak Forest Hopsital of Cook County is a medical center located in south suburban Oak Forest, Illinois. It specializes long-term care, chronic disease and rehabilitation services. It is part of the Bureau of Health Services in Cook County, Illinois which includes the more prominent and newer John H. Stroger, Jr. Hospital of Cook County. Oak Forest is a city located in Cook County, Illinois. ... Long-term care (LTC) is a variety of services which help meet both the medical and non-medical need of people with a chronic illness or disability who cannot care for themselves for long periods of time. ... Medicine In medicine, a persistent and lasting condition is said to be chronic (from Greek chronos). ... Physical medicine and rehabilitation (PM&R) or physiatry is a branch of medicine dealing with functional restoration of a person affected by physical disability. ... Cook County is a county located in the U.S. state of Illinois. ... The John H. Stroger, Jr. ...