Blue Cross and Blue Shield of Illinois is proud to be the state’s only statewide, customer-owned health insurer. We are also the largest provider of health benefits in Illinois, serving more than 8.9 million members in all 102 counties across the state.

For more than 85 years, we’ve provided our members with comprehensive, affordable health plans, making Illinois a healthier place to live, work and play.

Blue Cross and Blue Shield of Illinois, a Division of Health Care Service Corporation, a Mutual Legal Reserve Company, an Independent Licensee of the Blue Cross and Blue Shield Association.