Major Stand-Alone Medicare PDPs Saw Significant Drops in 2025 Star Ratings

  • Oct 24, 2024

    Only 27% of stand-alone Medicare Part D Prescription Drug Plans (PDPs) — or 11 contracts — earned 4 stars or higher for the 2025 plan year, according to CMS’s 2025 Medicare Advantage and Part D Star Ratings. The 2025 Star Ratings also resulted in nine contracts receiving 2.5 stars or lower, compared with six in 2024, and the average overall rating for PDPs dropped from 3.34 to 3.06.

    About 4.5% of all PDP members are enrolled in contracts that earned 4 stars or higher in 2025, a steep decline from 23.5% of members in 2024. CMS unprecedentedly recalculated the 2024 Star Ratings after two federal judges agreed there were flaws in the initial calculation.

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    © 2024 MMIT
  • Jinghong Chen

    Jinghong has been producing infographics and data stories on employer-sponsored insurance, public health insurance programs and prescription drug coverage for AIS Health’s Health Plan Weekly and Radar on Drug Benefits since 2018. She also manages AIS Health’s annual executive compensation database for top insurers and Blue Cross and Blue Shield affiliates. Before joining AIS Health, she interned at WBEZ, Al Jazeera English and The New York Times Chinese. She graduated from Missouri School of Journalism with a focus on data journalism and international reporting.

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