Private Healthcare Systems, established in 1985, operates as a network of preferred provider organization that offers a variety of health plans to customers. It includes more than 450,000 providers and over 4,000 facilities. The company also offers care management products that assist in managing discharge planning, concurrent reviews and claims. It offers coverage for various diseases that include diabetes, strokes, chronic conditions, and pulmonary and cardiac diseases. It is certified by the National Committee for Quality Assurance and approved by the Utilization Review Accreditation Commission. Private Healthcare Systems is headquartered in Waltham, Mass.; and has offices located in Rosemont, Ill.; Kansas City, Mo.; Irvine, Calif.; and Orlando, Fla.