Among the health services available to Chattanooga residents are public and private mental health facilities, drug and alcohol abuse recovery facilities, rehabilitation centers, a sports medicine center, speech and hearing services, facilities for the handicapped, free standing emergency medical centers, and community hospitals. Erlanger Medical Center, the region's largest and oldest public hospital with 818 acute-care beds and 50 long-term beds, offers Miller Eye Center, T. C. Thompson Children's Hospital, Erlanger North Hospital, Regional Trauma Center, Regional Heart and Vascular Center, Regional Cancer Center, Regional Women's Center, Regional Burn Center, Kidney Transplant Center, the Southside/Dodson Avenue Community Health Centers, and Tennessee Craniofacial Center, and is the only medical center in the region offering LifeForce Air Ambulance. Memorial Hospital, a 365-bed affiliate of the Kentucky-based Sisters of Charity of Nazareth Health System, offers an ambulatory intensive care unit. North Park Hospital, an 83-bed acute-care facility, offers a 24-hour emergency room. The 109-bed Siskin Hospital for Physical Rehabilitation offers treatment programs in brain injury, amputation, stroke, spinal cord injury, orthopedics, and major multiple trauma. It is one of only two rehabilitation hospitals in the country specializing in treatment of lymphedema. Parkridge Medical Center, with 517 beds, is known for its strong open-heart and cardiac services program and bypass surgeries. Parkridge East Hospital (formerly East Ridge Hospital), provides specialty services including a women's center, a sleep disorder center, bariatric surgery services, neonatal intensive care, and a spine and orthopedic center. Parkridge Valley hospital specializes in behavioral health. Other Chattanooga health care facilities include HealthSouth Chattanooga Rehabilitation Hospital, which offers comprehensive physical rehabilitation services; Greenleaf Health Systems Psychiatric and Chemical Dependency Center; and Women's East Pavilion (a component of Erlanger Medical Center), the only area hospital exclusively for women.