Irmaa 2024 For Part D. The irmaa for part b and part d is calculated according to your income. Those with a magi higher than the income thresholds set by the social security administration are required to pay irmaa in addition to their medicare part b and/or part d monthly premiums.
To determine whether you are subject to irmaa charges, medicare uses the adjusted gross income you reported on your irs tax return two. Those with a magi higher than the income thresholds set by the social security administration are required to pay irmaa in addition to their medicare part b and/or part d monthly premiums.