2024 Irmaa Brackets For Medicare Premiums Ssa 2024. 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. Medicare will release the 2025 irmaa brackets in the fourth quarter of 2024.

Irmaa is a surcharge that people with income above a certain amount must pay in addition to their medicare part b and part d premiums. 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.