Irmaa 2024 Brackets And Premiums Part D. 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, respectively. The irmaa for part b and part d is calculated according to your income.

The following charts outline irmaa premium brackets based on income levels and tax filing statuses for medicare part b and part d. In 2024, beneficiaries whose 2022 income exceeded $103,000 (individual return) or $206,000 (joint return) will pay an added.