2024 Irmaa Premium Brackets Chart. Here are the 2024 irmaa amounts for married taxpayers that file separately: Below is a detailed breakdown of the income ranges and their associated irmaa adjustments:

For irmaa beneficiaries, part b premium surcharges for late enrollment or reenrollment will continue to be calculated based on the part b standard monthly premium. Brackets for part b and part d are the same, but the additional amount.