Irmaa For 2024 Brackets. Any individual or joint filer whose modified adjusted gross income (magi) exceeds the established limits for 2024 may incur an. 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.

We’ll walk through what it means, who qualifies and how it affects your coverage and costs. Most other medicare part d beneficiaries earning over.