SSA-44 and IRMAA: How the Form Works, Step by Step

The short answer

Form SSA-44 — “Medicare Income-Related Monthly Adjustment Amount — Life-Changing Event” — is the Social Security form that asks for your IRMAA surcharge to be recalculated from your current income instead of the tax return from two years ago. It runs a few pages, costs nothing to file, and applies only when a qualifying life-changing event, such as retirement, divorce, or the death of a spouse, is what reduced your income.

Revised: 7/24/26
Jason Baar
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It walks through Form SSA-44 step by step — the eight qualifying life events, the evidence that supports each one, and a worked example.

The guide is on its way — allow up to 10 minutes. If it hasn’t arrived by then, peek in your spam folder, and if it’s there, click “Not spam,” so the next person’s guide arrives where it belongs. You’re all set.

The long answer

The form moves through five steps. Step one names your event and its date — the date matters, because it anchors which year’s income Social Security will substitute. Step two is the heart of the form: your estimate of this year’s MAGI (adjusted gross income plus tax-exempt interest), with your filing status. Step three lets you add next year’s estimate if your income will fall again — the common pattern when a mid-year retirement leaves a partial salary year followed by a full retirement year — so one filing can correct both.

Steps four and five are evidence and signature. The evidence covers two things: that the event happened — a letter from your employer giving your last day, a divorce decree, a death certificate — and that your estimate is grounded, through pension award letters, your benefit statement, and last year’s 1099s.

Build the estimate from real components rather than a hopeful round number; Social Security later compares it against the return you actually file, and a figure that proves far too low gets adjusted back afterward. The form is also revised periodically, so download the current version free at ssa.gov/forms rather than reusing a saved copy.

Printed from JasonKnowsMedicare.com — “SSA-44 and IRMAA: How the Form Works, Step by Step”. The free IRMAA Appeal Kit is available at tally.so/r/XxvNNO · Questions: (850) 810-1000

This page is educational information, not personal financial, tax, or legal advice. For decisions about your own situation, talk with a qualified professional.