Genesis HealthCare is one of the largest long-term care providers in the United States. It operates more than 200 skilled nursing centers and assisted living residences in over 10 states in the eastern United States. The organization also offers contract rehabilitation therapies to more than 600 health care providers in nearly 20 U.S. states and the District of Columbia. Genesis HealthCare has more than 36,000 employees. Headquartered in Kennett Square, Pa., the organization specializes in providing long-term care services. It also offers orthopedic rehabilitation, ventilator care and assisted living services, as well as specialized care for people with Alzheimer s disease. Genesis HealthCare also operates a company called Genesis SelectCare, which provides services for aging adults. The organization maintains a presence in Philadelphia.