@hung05
Your MAGI for IRMAA purposes comes from your 2024 form 1040.....line 11 PLUS line 2a.
For 2026 IRMAA that will be from the form 1040 that you filed for 2024 . (if 2024 filed too late, they might use 2023)
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Second table for PArt B coverage on this page (part D amounts further down the page)
2026 Medicare Parts A & B Premiums and Deductibles | CMS
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
