Irmaa 2024. Understanding the 2024 irmaa brackets: In simple terms, an irmaa is an extra charge added to your monthly medicare part b (medical insurance) and part d (prescription drug coverage) premiums.

If you’re single and filed an individual tax return, or married and filed a joint tax return, the following chart applies to you: Here are the irmaa income brackets for 2024, 2025, and 2026.