Medicare Subvention Demonstration: Enrollment in DOD Pilot Reflects Retiree Experiences and Local Markets

Pursuant to a legislative requirement, GAO provided information on enrollment in the Department of Defense's (DOD) pilot Medicare health maintenance organization (HMO) for military retirees, focusing on: (1) how successful the demonstration has been in enrolling eligible beneficiaries; (2) what influenced retirees to join DOD's pilot HMOs; and (3) what factors accounted for differences in enrollment rates across demonstration sites.