Waiving Part D Drug Copays Improves Medication Adherence, Report Shows

  • May 08, 2025

    Removing Medicare Part D copay amounts for low-income beneficiaries significantly enhanced medication adherence, according to a Wakely report. As the CMS Center for Medicare and Medicaid Innovation ends the Value-Based Insurance Design (VBID) model later this year, these findings highlight the “compelling need for both state and federal policymakers to explore new strategies or incentives that enable MAOs to continue offering similar benefits” and improve outcomes to members with specific socioeconomic statuses, Wakely observed.

    Beginning in 2021, Medicare Advantage plans were allowed to waive Part D cost-sharing amounts for select members through the VBID model. As of 2025, 62 MA organizations are offering that benefit for their Dual Eligible Special Needs Plan (D-SNP) members. D-SNP members who were eligible for the benefit had $0 copays on all covered drugs, through all phases of coverage.

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