BlueCross BlueShield of Tennessee (BCBST) is a leading health insurance provider based in Chattanooga, Tennessee. Established in 1945, BCBST operates as an independent, not-for-profit organization which is part of the nationwide association of Blue Cross Blue Shield companies. BCBST serves more than three million members and offers a comprehensive range of insurance products including individual and family health plans, Medicare, and employer-sponsored health coverage. Devoted to community wellness and health innovation, BCBST emphasizes preventive care and proactive disease management. It has a reputation for customer service excellence and a broad network of healthcare providers across the state.