1. Concerns persist about opioid overdoses and Medicare beneficiaries’ access to treatment and overdose-reversal drugs Publication: Washington, D.C. : U.S. Department of Health and Human Services, Office of Inspector General, August 2021 Subject(s): Government RegulationMedicare Part D -- statistics & numerical dataNaloxone -- economicsOpiate Overdose -- prevention & controlUnited StatesUnited States. Department of Health and Human Services