Irmaa Brackets 2024 Part B And Part D. Medicare determines the 2025 irmaa charge in the fourth quarter of 2024. Consult them to assess whether your income falls within the range that triggers an.

Your irmaa determination is based on your 2023 filing status. In 2024, the standard monthly medicare part b premium is $174.70 per month, but those who have a higher salary will have an irmaa charge and will have to pay more.