Irmaa 2024 Part D Form. Irmaa is an extra charge added to your monthly medicare part b (medical insurance) and part d (prescription drug coverage) premiums when your income is above a threshold. 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. Irmaa is an extra charge added to your monthly medicare part b (medical insurance) and part d (prescription drug coverage) premiums when your income is above a threshold.