Irma Tax Brackets 2024. To determine whether you are subject to irmaa charges, medicare uses the adjusted gross income you reported on your irs tax return two years ago. 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.

Irmaa represents the additional amount that some people might have to pay for their. 2024 irmaa brackets for medicare part b and d images references :