Provider of health care management services in the United States. The company offers benefits management, integrated health management, provider network services, and insurance services to self-funded employers, managed care companies, and insurers. It also provides plan administration, wellness, medical management, disease management, network management, and cost management services. The company in addition offers utilization management, case management, and disease management services. It further provides stop loss managing general under writing services. The company operates Meritain Health, American Health Holding, Niagara Re, and Scrip World.