Medicare Irmaa 2025 Calculator. Here is how you can learn about the change and how to avoid irmaa. Your medicare irmaa amount in 2025 is determined by your reported income in 2022.

Irmaa is an extra charge added to your monthly medicare part b (medical insurance) and part d (prescription drug coverage) premiums when your income is. Magi plays a critical role in determining where you fall within the 2025 irmaa brackets.