Projections for Medicare’s 2025 income-related monthly adjustment amount (IRMAA) are out. Now is the time to check your 2023 tax return to see if you might be subject to the surcharge next year. This surcharge is paid by Medicare beneficiaries for Part B and Part D Medicare on top of the standard premiums if their taxable income exceeds certain thresholds.
The IRMAA is calculated on a sliding scale with five income brackets, topping out at $500,000 and $750,000 for individual and joint filing, respectively. These figures change annually with inflation. IRMAA calculations have a two-year lag time.
Whether you pay an IRMAA in a given year depends on your tax returns from two years ago. I scoured the best sources and found sound 2025 projections of the IRMAA brackets and surcharge amounts. The 2025 amounts discussed below are not final ; they are estimates prepared by financial professionals who specialize in Medicare planning and IRMAA issues.
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IRMAA is assessed based on your modified adjusted gross income (MAGI) The Social Security Administration will receive notice to inform you if you are liable for the IRMAA surcharge. However, you can a.