Select Medical is a company specializing in hospital and rehabilitative patient care. It operates through four business segments: critical illness recovery hospital, rehabilitation hospital, outpatient rehabilitation, and Concentra. The critical illness recovery hospital segment consists of hospitals designed to serve the needs of patients recovering from critical illnesses, often with complex medical needs. The rehabilitation hospital segment includes hospitals designed to serve patients that require intensive physical rehabilitation care. The outpatient rehabilitation segment incorporates clinics that provide physical, occupational, and speech rehabilitation services. The Concentra segment consists of occupational health centers and contract services provided at employer worksites that deliver occupational medicine, physical therapy, and consumer health services.