Irmaa Brackets 2024 Medicare Part D Table. Irmaa is a surcharge added to your medicare parts b and d premiums, based on income. To determine whether you are subject to irmaa charges, medicare uses the adjusted gross income you reported on.
The following charts outline irmaa premium brackets based on income levels and tax filing statuses for medicare part b and part d. Magi plays a critical role in determining where you fall within the 2024 irmaa brackets.