The medical center campus boasts one of the largest ambulatory facilities in the country, housed in a nine-story, 276,000-square-foot tower. This 775-bed teaching and research hospital is affiliated with the University of Medicine and Dentistry of New Jersey-New Jersey Medical School. It is the largest healthcare provider in the state, both in inpatient and outpatient services. In Jan. 2011, it opened a $130 million cancer center and a $25 million cardiac and vascular “hospital within a hospital.” It also formed an affiliation with 111-bed Hackettstown (N.J.) Regional Medical Center to provide expertise there and send Hackettstown’s more complex medical cases to Hackensack.