1. Medicaid retroactive coverage waivers: implications for beneficiaries, providers, and states Author(s): Musumeci, MaryBeth, authorRudowitz, Robin, author Publication: Menlo Park, CA : Henry J. Kaiser Family Foundation, November 2017 Subject(s): Insurance Coverage -- economicsInsurance Coverage -- legislation & jurisprudenceMedicaid -- economicsMedicaid -- legislation & jurisprudenceState GovernmentHumansIowaUnited States