Hanover HealthCare Plus was founded in 1926, also includes about two dozen family practice clinics, surgery and rehabilitation centers, and diagnostic and laboratory facilities.Hanover Healthcare Plus operates the Hanover Hospital, plus a bunch of other health care facilities in south-central Pennsylvania. The not-for-profit health system's flagship facility, Hanover Hospital, is a 110-bed community hospital serving residents of Pennsylvania's York and Adams counties. The hospital offers an array of inpatient and outpatient services which include general medicine, emergency care, cardiovascular, women's health, and wellness services.