
IRMAA for Business Owners: The Two-Year Lookback, the 2026 Medicare Brackets, and the SSA-44 Appeal
Medicare's IRMAA surcharge sets your 2026 Part B and Part D premiums from your 2024 tax return, and crossing a bracket by one dollar triggers the full tier — up to roughly $14,000 a year above standard premiums for a couple. Here is how business sales, Roth conversions and RMDs trigger it, the 2026 thresholds, and how to file Form SSA-44 after retirement or another qualifying life-changing event.










