Health Care Service Corporation

Health Care Service Corporation
Company typeMutual Legal Reserve Company
IndustryManaged health care
Founded1936
HeadquartersBlue Cross Blue Shield Tower
Chicago, Illinois, US
Key people
Maurice Smith, Chairman, President, and CEO
ProductsHealth plans; group, disability, life insurance
Number of employees
35,000+
Websitehttps://www.hcsc.com/

Health Care Service Corporation (HCSC), a Mutual Legal Reserve Company, is a member-owned health insurance company in the United States. HCSC was formerly known as Hospital Service Corporation and changed its name to Health Care Service Corporation in 1975. The company was founded in 1936 and is based in Chicago, Illinois with a network of offices in the United States. Health Care Service Corporation is the licensee of the Blue Cross and Blue Shield Association for five states. It concentrates its operations in Illinois, Montana, New Mexico, Oklahoma, and Texas. With the recent acquisition, of HealthSpring, from Cigna, HCSC’s national territory now expands to 33 states.

HCSC is the fifth-largest health insurer in the US overall and employs more than 35,000 people. As of 2019, it was noted to be the third-largest commercial health insurer in the United States With its 2025 acquisition of HealthSpring from Cigna, HCSC now serves 26 million members in 33 states. HCSC offers group life, disability, and dental policies, as well as a range of other individual policies, including Medicare Advantage plans. The company also provides various care management and wellness resources.

In January 2024, the Cigna Group agreed with the Health Care Service Corporation (HCSC) to sell Cigna Group's Medicare Advantage, Cigna Supplemental Benefits, Medicare Part D, and CareAllies businesses. The total value of the transaction is about $3.7 billion. The deal also included a four-year service agreement under which Evernorth Health Services, a subsidiary of the Cigna Group, will continue to provide pharmacy benefits to Medicare beneficiaries. The deal closed on March 19, 2025.

On 8 July 2025, HCSC announced that its newly acquired Cigna Medicare Advantage products will be renamed HealthSpring, which was a dormant brand name acquired as part of HCSC deal with the Cigna Group. A logo and website for the newly revived HealthSpring brand have already been launched.

HealthSpring joins HCSC’s portfolio of national platforms, serving more than 26 million people across the country.

With the recent acquisition, HCSC’s national territory now expands to 33 states.