Higher earners will owe Medicare’s IRMAA surcharge in 2027 once 2025 income tops $111,000 single or $222,000 jointly
Medicare beneficiaries with modified adjusted gross income above $111,000 for single filers or $222,000 for joint filers in tax year 2025 will pay higher Part B premiums in 2027 through the income-related monthly adjustment amount, known as IRMAA. The surcharge follows a fixed two-year lookback rule written into federal law, meaning financial decisions made this…