BlueCross provides beneficiaries with health insurance to cover hospital expenses, while BlueShield provides insurance to cover expenses associated with physician services. Together, they form BlueCross BlueShield, and the BlueCross Blue Shield Association (works to coordinate the nationwide plans by establishing standards for new plans and programs; assisting local plans with enrollment activities, national advertising, public education, professional relations, and statistical and research activities; and serving as the primary contractor for processing
Medicare hospital, hospice, and
home health claims.