2025 Irmaa Brackets For Medicare Part D. The inflation reduction act of 2022 has triggered a raft of changes to medicare part d plans and medicare advantage plans that affect prescription drug coverage in 2025. Medicare part d irmaa brackets 2025.

The irmaa is an additional premium charged on top of the standard medicare part b and part d premiums for individuals with higher incomes. On november 8, 2024, the centers for medicare & medicaid services (cms) released the 2025 premiums, deductibles, and coinsurance amounts for the medicare part a and part b.