Income-Related Monthly Adjustment Amount
IRMAA
IRMAA, or Income-Related Monthly Adjustment Amount, is an extra charge added to your Medicare premiums if your income is above a certain level. It applies to both Medicare Part B (medical insurance) and Part D (prescription drug coverage).
Who Pays IRMAA?
IRMAA is based on your modified adjusted gross income (MAGI) from two years ago, as reported to the IRS. For example, your 2026 premiums are based on your 2024 tax return. If your income exceeds specific thresholds, you’ll pay more for Part B and/or Part D.
How Much Does IRMAA Add?
The IRMAA amount increases in tiers based on your income. For Part B, it’s added to your monthly premium. For Part D, it’s added on top of your drug plan premium. These additional charges are paid directly to Medicare, not your plan provider.
Can IRMAA Be Appealed?
Yes. If your income has decreased due to a life-changing event—such as retirement, divorce, or the death of a spouse—you can request a reconsideration. You’ll need to submit documentation to the Social Security Administration.
Need Help Understanding IRMAA?
Whether you’re planning for retirement or trying to estimate your Medicare costs, we can help you navigate IRMAA and explore your coverage options. Contact Marlene today for personalized guidance.
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Commonly Asked Questions About IRMAA
How is IRMAA calculated?
IRMAA is based on your IRS-reported income from two years prior. The Social Security Administration uses a sliding scale with income brackets to determine how much extra you’ll pay on top of your regular Medicare premiums.
What parts of Medicare does IRMAA affect?
IRMAA applies to Part B (medical insurance) and Part D (prescription drug plans).
Does IRMAA ever go away?
It can. If your income drops below the threshold, your IRMAA amount may be reduced or eliminated in future years. Medicare reviews your income each year to make that determination.