See 2017 (11th Annual) Trust Index by ReviveHealth (TN), for overall trust levels by physicians and health systems who contract with major health insurance plans. Scroll to Past Trust Index Reports to find specific company ratings contained in the older 2015 (9th Annual) payor survey. Composite Trust scores for BCBS, Anthem/WellPoint, Aetna, Humana, Cigna, United HealthCare. BlueCross BlueShield came out on top with physicians in 2015. Reports for 2016 and 2017 lack specific company ratings. Trust Index may have been discontinued.