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Medicare Surcharge (IRMAA) Thresholds 2025
Reference Table2025 Medicare Part B and Part D income-related monthly adjustment amounts (IRMAA).
About This Tool
IRMAA surcharges are based on MAGI from two years prior. Social Security notifies beneficiaries each fall about next year's surcharges. Large one-time income events (Roth conversions, asset sales) can trigger IRMAA. Taxpayers can appeal using Form SSA-44 if income has decreased.