Dimensions Healthcare System takes care of the many, many facets of a human's dimensions. Dimensions Healthcare System operates a handful of medical facilities serving the residents in Prince George's County, Maryland, and the surrounding area. Acute care centers include Prince George's Hospital Center and Laurel Regional Hospital. Specialty services include rehabilitation, behavioral health, cardiology, emergency medicine, senior care, pediatrics, and a sleep disorders center. The not-for-profit health care system was established in 1982.