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.
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.