Medicare Part B Premiums Based On Income 2024 Chart. You will only need to pay an irmaa if your annual. By law, medicare part b premiums must cover 25% of the costs incurred by that part of the program.

The standard monthly premium for medicare part b is $174.70 in 2024, up from $164.90 in 2023. Irmaa brackets 2024 tax year chart irmaa brackets 2024 tax year chart.