2025 Irmaa Brackets And Premiums Calculator. What is irmaa, and what are the 2025 irmaa brackets? 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.

Modified adjusted gross income (magi): For 2025, beneficiaries whose 2023 income exceeded $106,000 (individual return) or $212,000 (joint return) pay a higher total medicare part b premium amount depending on.