Income-Related Monthly Adjustment Amount (IRMAA)
Medicare Glossary
An additional amount added to your Medicare Part B and Part D premiums if your modified adjusted gross income exceeds certain thresholds. IRMAA is based on your tax return from two years prior and is recalculated annually.
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This content is for educational purposes only and does not constitute a recommendation of any specific Medicare plan. Benefits, costs, and availability vary by plan and location. For complete information about your Medicare options, visit Medicare.gov or call 1-800-MEDICARE (1-800-633-4227), TTY: 1-877-486-2048, available 24 hours a day, 7 days a week.