UnitedHealthcare is proud to serve one in five Medicare beneficiaries. UnitedHealth Group is the top ranking company in the insurance and managed care sector on Fortune's 2021 "World's Most Admired Companies" list**. Financially Stable - A Fortune 500 company – ranked #7 in the 2020 rankings**. UnitedHealthcare puts you into business with a world-class partner; the only Medicare Advantage plan that co-branded with AARP®.