2025 Irmaa Brackets For Medicare Part B And D Coverage. Medicare part b irmaa brackets for immunosuppressive drug coverage only. Our guide includes medicare changes for part a, part b and part d in 2025.

You can expect to pay more for medicare coverage in 2025, with part b premiums projected to increase by 7% and part d premiums estimated to rise by 6%. For 2025, the standard medicare part b premium is $174.70 per month.