1. Medicare Advantage program integrity: CMS's efforts to ensure proper payments and identify and recover improper payments : testimony before the Subcommittee on Oversight, Committee on Ways and Means, House of Representatives Publication: Washington, D.C. : U.S. Government Accountability Office, July 19, 2017 Subject(s): Financial AuditFraud -- prevention & controlInsurance, Health, ReimbursementMedicare Part C -- economicsFee-for-Service Plans -- economicsInsurance Claim ReviewHumansUnited StatesCenters for Medicare & Medicaid Services (U.S.)