Medicare IRMAA Appeal: When and How to Use Form SSA-44

Quick answer: Use Form SSA-44 to ask Social Security for a new Medicare IRMAA decision if a recognized life-changing event, such as retirement or reduced work, lowered your income enough to affect the surcharge. If you think SSA made a mistake in its determination, you may instead need a formal reconsideration. Start with your notice: it tells you the premium year, the tax information SSA used, and how to challenge the decision.

IRMAA is the income-related monthly adjustment amount that can be added to Medicare Part B and prescription drug coverage. It is separate from the base premium and from any premium charged by your drug plan. Shopping for a different plan is not the same as asking SSA to update the income it used. This guide is about the paperwork and the decision path, not about choosing health coverage or predicting next year’s premium.

Choose the right request before filling out a form

Your income fell after a qualifying event

Start at SSA’s request to lower IRMAA. This route asks for a new initial determination using qualifying updated information. You are not necessarily saying the old calculation was incorrect. A calculation based on a prior return can have been correct for the information available at the time, yet no longer reflect your income after a qualifying event. Explain both what happened and how it affected the income used for Medicare.

The information was wrong or you amended the return

Do not pick an event on SSA-44 simply to get a different tax year considered. If the IRS corrected information, you filed an amended return, or you can supply a more recent return when SSA used older data, SSA has separate procedures for some of these situations. Call SSA and describe exactly what differs between your notice and your records. For an amended return, follow SSA’s published instructions to call rather than assuming a life-event form replaces the amended return documentation.

You disagree with the formal determination

Follow the reconsideration instructions in your notice. SSA’s appeals policy generally allows 60 days after receipt of the determination notice. SSA normally presumes receipt five days after the notice date unless you show otherwise. If you are near the deadline, contact SSA about protecting your appeal rights rather than waiting for a tax preparer or assuming an SSA-44 submission extends the appeal period. A notice of planned action is not necessarily the same as a formal determination.

Which life changes does SSA recognize?

The current form groups eligible events into changes in marital status, work, and certain income losses. Its examples cover marriage, divorce or annulment, death of a spouse, work stoppage or reduction, involuntary loss of income-producing property, a qualifying loss of pension income, and an employer settlement in specified circumstances. The facts and the reason for the reduction matter: a lower bank balance or smaller portfolio is not itself evidence of a qualifying event.

Retirement can count as a work stoppage. Moving to fewer hours can count as work reduction. A voluntary sale of an investment property, however, is not the same thing as an involuntary loss of income-producing property. Likewise, a one-time capital gain or a taxable Roth conversion does not by itself create a qualifying event just because that income does not recur. Read SSA’s qualifying-event guidance before treating an unusual tax year as grounds for SSA-44.

Even a recognized event does not guarantee a lower surcharge. For example, someone who stops working and realizes a substantial taxable gain in the same year may still have income in the same surcharge tier. Compare the full tax-year income estimate with the threshold applicable to the premium year, not just the wages that disappeared.

Prepare the tax numbers and event evidence

Keep the premium year separate from the tax year

SSA generally requests IRS data from two years earlier and can use data from three years earlier if needed. For example, a 2027 premium decision would generally look to the 2025 tax year if the data are available. Your notice is the source for the year actually used. When building a replacement estimate, record the year and filing status separately rather than comparing two unlabeled amounts.

Estimate Medicare MAGI, not spendable income

For this purpose SSA generally adds tax-exempt interest to federal adjusted gross income. Suppose your estimated AGI for the applicable year is $82,000 and tax-exempt interest is $1,500. Estimated Medicare MAGI is $83,500. This is an example of the calculation, not an eligibility determination. Include expected taxable wages, retirement distributions, taxable investment income and other items that affect AGI. A deposit into your bank account is not necessarily the same as the taxable amount on your return.

For retirement-income planning, the retirement tax guide explains why different sources are taxed differently. Use the retirement calculator for planning cash flow, but not as an IRMAA determination. For surcharge context, see the 2026 IRMAA bracket guide; do not carry those thresholds over to a different premium year.

Match the proof to the event

For work stoppage or reduction, the form lists evidence such as a signed employer statement or pay stubs. For a marriage, divorce or death, the instructions describe the relevant official records. A pension reduction can call for a statement from the plan administrator. Read the evidence section for your case before sending documents. Keep copies of everything you submit and record the date, channel, and any receipt or confirmation number.

Submit through SSA and track the decision

Use SSA’s online submission option when available, or follow its instructions for faxing or mailing the signed form and evidence to a Social Security office. The form separates a reduction that has already occurred from information about a further reduction expected next year. If you are unsure which tax year to enter, ask SSA rather than putting the same annual income on both lines. SSA may later verify estimated income against IRS information, so retain the final return and follow instructions if your estimate changes.

When the decision arrives, check the premium year, filing status, income figure and which parts of Medicare it covers. If the new notice does not reflect the information you supplied, compare it with your submission and follow the notice’s instructions promptly. Do not change your budget as if a reduction were approved before you receive a decision. Use a monthly budget to model both amounts if the existing bill is difficult to absorb while you wait.

Worked example: a retirement straddles two tax years

Imagine a worker who retires in October 2026 and receives a determination for 2027. Their 2025 return reflects a full salary. Their 2026 estimate still includes most of the year’s wages, and their 2027 estimate includes pension and investment income but no salary. Rather than estimating a full retirement year by multiplying one small paycheck, this person would write down the retirement date and prepare both annual estimates. The employer letter helps document why income changed; the estimates help SSA decide whether the difference affects the applicable premium tier.

Now imagine a neighbor with the same lower income but no change in work or family circumstances. The prior return was higher only because the neighbor sold stock. The smaller current income estimate is not, by itself, the same evidence as the worker’s retirement. This is why it helps to label each attachment by the question it answers: what happened, when it happened, and how income changed. If none of the examples matches your notice, ask SSA which procedure applies before sending paperwork.

Frequently asked questions

Sources and disclaimer

SSA guidance for lowering IRMAA, Form SSA-44, SSA new determination policy and SSA reconsideration policy. This guide is educational, not individualized benefits, legal, tax or financial advice. Follow the instructions and deadlines in your own SSA notice.