Medicare Part D Catastrophic Coverage 2024 Plans. Based on the inflation reduction act, 2024 medicare part d catastrophic coverage will remain the fourth and final part of your medicare part d prescription drug plan coverage. What medicare part d drug plans cover overview of what medicare drug plans cover.

In 2025, enrollees’ 25% share of the coverage gap will no longer apply. Beginning in 2024, once a medicare beneficiary with either a part d prescription drug plan or medication coverage through their medicare advantage (ma).