Irmaa Brackets 2024 Part B And 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. That means if your income is higher or lower year after year, your irmaa status can change.

What are the 2024 irmaa brackets? Irmaa is a fee that may be added to your medicare part b and part d premiums if your yearly income exceeds a certain amount.