2024 Irmaa Brackets Part B 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: The basic part b premium for part b is $185.00,.

“an amount that you will pay for your medicare part b and d coverage when your modified adjusted gross income is above the certain thresholds.” irmaa is a tax on your. The centers for medicare and medicaid services (cms) have yet to release the 2025 irmaa surcharge amounts for part b.