Irmaa Income Brackets For 2025. For 2025, the standard premium for medicare part b is $185.00 per month. 2025 irmaas (income related monthly adjustments) the income related monthly adjustment amounts (irmaas) were also updated for 2025.

These would be the 2025 numbers when the medicare web site. The surcharge is added to your part b and part d premiums, which can significantly increase the.