Blue Cross and Blue Shield of Texas (BCBSTX) — the only statewide, customer-owned health insurer in Texas — is the largest provider of health benefits in the state, working with more than 168,000 physicians and health care practitioners, and 550 hospitals to serve nearly 8 million members in all 254 counties. BCBSTX is a Division of Health Care Service Corporation (HCSC) (which operates Blue Cross and Blue Shield plans in Texas, Illinois, Montana, Oklahoma and New Mexico). Health Care Service Corporation is a Mutual Legal Reserve Company and an Independent Licensee of the Blue Cross and Blue Shield Association.