Medicare IRMAA
Medicare IRMAA: the monthly Part B and Part D amounts added for income above the published brackets, by filing status.
Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Tax filing status
- Married filing jointly
- Modified adjusted gross income, two years earlier
- 300000 USD
- Premium year
- 2026
Result: IRMAA in 2026: $202.90 a month added to Part B ($405.80 in all) and $37.50 added to the Part D premium.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Tax filing status
- Modified adjusted gross income, two years earlier
- Premium year (blank for this year)
How this is calculated
Citation
CMS 2026 Parts A and B fact sheet: Part B and Part D income-related monthly adjustment amounts by modified adjusted gross income and filing status; SSA uses the tax return from two years earlier. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.