1. Impacts of the Affordable Care Act's Medicaid expansion on insurance coverage and access to care Publication: [Washington, D.C.] : Department of Health and Human Services, Office of the Assistant Secretary for Planning and Evaluation, June 20, 2016 Subject(s): Medicaid -- economicsHealth Insurance Exchanges -- economicsInsurance Coverage -- economicsHealth Services Accessibility -- economicsHealth Care CostsUnited StatesUnited States.