What Are The Irmaa Brackets For 2024 Over 65. 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. To determine whether you are subject to irmaa charges, medicare uses the adjusted gross income you reported on.

The 2024 irmaa brackets by law are going to be larger than 2023. Here are the 2024 irmaa amounts for married taxpayers that file separately: