1. Medicare Part B drug payments: impact of price substitutions based on 2014 average sales prices Publication: [Washington, D.C.] : U.S. Department of Health and Human Services, Office of Inspector General, August 2017 Subject(s): Drug CostsInsurance, Health, ReimbursementInsurance, Pharmaceutical ServicesMedicare Part B -- economicsCost SavingsHumansUnited StatesUnited States. Department of Health and Human Services.Centers for Medicare & Medicaid Services (U.S.)