In 2023, for the first time, more than half of Medicare beneficiaries were enrolled in Medicare Advantage (MA) plans, which offer private insurance alternatives to traditional Medicare, with 34 million enrollees in MA and 23 million in standalone Part D drug plans. A compendium of 70 policy proposals, created by Georgetown’s Center on Health Insurance Reforms, Medicare Policy Initiative offers a comprehensive resource for improving these programs, addressing issues like cost efficiency, provider networks, and many more.