What Is Medicare IRMAA and Who Has to Pay It?

IRMAA is an extra amount added to your Part B and Part D premiums if your income is above a certain threshold. It is based on your tax return from two years ago.

Frequently Asked Questions

How is IRMAA calculated?
IRMAA is based on your modified adjusted gross income from your tax return two years ago. There are multiple income tiers with increasing surcharges.
Can I appeal IRMAA?
Yes. If you had a life-changing event (retirement, marriage, divorce, death of spouse, loss of income), you can file Form SSA-44 to request a reduction.
Does IRMAA apply to both Part B and Part D?
Yes. IRMAA surcharges can apply to both your Part B premium and your Part D premium.