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Health Care Service Corporation
American health insurer and health maintenance organization
Health Care Service Corporation
Health Care Service Corporation (HCSC), a Mutual Legal Reserve Company, is a member-owned health insurance company headquartered in Chicago, Illinois, USA with more than 33,500 employees. HCSC provides health care coverage options for employers, individuals and families, Medicare, and Medicaid. HCSC is the fourth largest health insurer based on health insurance membership enrollment, serving more than 27 million members. As an independent licensee of the Blue Cross and Blue Shield Association, HCSC offers Blue Cross and Blue Shield plans in Illinois, Montana, New Mexico, Oklahoma and Texas. HCSC also offers HealthSpring plan options in 50 states, the District of Columbia, and Puerto Rico, as well as ancillary benefits, third-party administration and a variety of complementary capabilities and services through its subsidiaries and strategic investments. As of June 2026, HCSC’s wholly owned subsidiaries include CareAllies, Dearborn Group, Luminare Health and Medecision. History Incorporated...
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