MercyRockford Health System is the region\’s oldest and largest health care system and has nearly 3,200 employees and a 450-member medical staff. Serving the Rock River Valley since 1883, the organization includes MercyRockford Memorial Hospital, Rockford Health Physicians (nine locations), Van Matre HealthSouth Rehabilitation Hospital, Visiting Nurses Association and the MercyRockford Memorial Development Foundation.