How to Appeal an IRMAA Determination Using Form SSA-44

Jun 15

Every fall, millions of Medicare beneficiaries receive a letter from Social Security telling them what they will pay for Part B and Part D next year. For most, it is the standard premium. But for high earners, it includes an IRMAA surcharge and for some of those people, the income Social Security used to set that surcharge no longer reflects their reality. If your income dropped substantially due to retirement, divorce, death of a spouse, or another qualifying event, you have the right to appeal. The mechanism is Form SSA-44, and the potential savings are significant up to $6,928 per year per person in reduced premiums (the spread between the highest Tier 5 total and the standard premium, across Part B and Part D combined). Visit the Complete IRMAA Planning Guide to learn more about IRMAA.

What Is the IRMAA Appeal Process?

When Social Security determines your IRMAA, they base it on your most recently available tax return, typically two years prior to the current benefit year. If a life-changing event has materially reduced your income since that return was filed, Form SSA-44 allows you to request that Social Security use a more recent year's income or a current-year estimate instead. A successful appeal can move you into a lower IRMAA tier or eliminate the surcharge entirely.

This is not a complaint process; it is a formal income verification process. SSA is not exercising discretion they are recalculating your IRMAA using verified, more current income data that better reflects your actual situation.

Who Qualifies to File Form SSA-44

Not every income change qualifies. The Social Security Administration specifies seven qualifying life-changing events for IRMAA appeals:

The Seven Qualifying Life-Changing Events

Marriage — if it significantly reduces your household income level used for MAGI calculation
Divorce or annulment — if your individual income is now lower than the joint income used in the prior return
Death of a spouse — your filing status changes, which affects the applicable IRMAA thresholds
Work stoppage — you stopped working or significantly reduced your work hours (including retirement)
Work reduction — a significant reduction in earned income, not just investment fluctuation
Loss of income-producing property — for example, a rental property damaged by a federally declared disaster
Termination of or reduction in an employer pension plan — including employer plan terminations

What does not qualify: Investment losses (even catastrophic ones), voluntary early withdrawals from retirement accounts, or generally "my income is just lower this year for no specific event." The event must be verifiable and must have caused the income change.

The Recency Requirement

There is a timing element to consider. You can request that SSA use the income from either of the two most recent tax years for which a return is available, or an estimate of your income for the current year or the prior year depending on which best reflects your reduced income. SSA makes the determination based on what you provide.

Step-by-Step: How to File Form SSA-44

Step 1: Gather Your Documentation

Before you fill out the form, assemble the following:

Your most recent filed federal tax return (the one SSA is currently using for your IRMAA determination)
A more recent tax return if available and it shows lower income
If using a current-year estimate: supporting documentation for that estimate (pension letters, retirement notice, Social Security benefit statement)
Documentation of the qualifying life-changing event itself: a retirement letter from your employer, a divorce decree, a death certificate, etc.

Step 2: Complete Form SSA-44

Form SSA-44 is a four-page document. Here is what each section asks for:

Section 1: Your personal information and Medicare claim number
Section 2: Identification of the life-changing event and the year it occurred
Section 3: Selection of which year you want SSA to use for your income determination
Section 4: Your MAGI estimate for the chosen year, with a breakdown of income sources
Section 5: Your signature and attestation that the information is accurate

The form includes a table of the IRMAA brackets and surcharge amounts so you can see which tier your revised income would place you in.

Step 3: Choose the Right Tax Year

This is the most strategic part of the process. You have options:

OptionUse WhenMost recent filed tax returnYour income dropped in the most recently completed tax year and that return is already filedPrior year estimateYour income dropped last year but the return is not yet filed; you provide an estimate and will supply the return when filedCurrent year estimateYour income is lower this year than any recent return; most common for people who retired mid-year

If your income was reduced in 2025 but will be even lower in 2026, you may want to use your 2026 income estimate for a 2026 IRMAA appeal, not your 2025 return. SSA can work from a projected income if you have reasonable documentation.

Step 4: Submit the Form

You can submit Form SSA-44 in two ways:

In person at your local Social Security office. This is often fastest for getting questions answered and documents verified. Bring originals and copies.
By mail. Send to your local SSA office with copies of all documentation. Keep copies of everything you submit and send via certified mail.

There is no online submission option for SSA-44 as of 2026. Do not wait for a scheduled appointment if your premium increase is substantial, call the SSA directly at 1-800-772-1213 to ask about expedited review.

Step 5: Wait for SSA's Determination

After SSA reviews your form and documentation, they will issue a revised determination letter. This typically takes several weeks to a few months, though complex cases or high-volume periods at local offices can extend that timeline. If your appeal is approved, SSA will adjust your premium going forward and may issue a refund of excess premiums already collected. If your appeal is denied, you have the right to a further hearing before an administrative law judge.

What Happens If Your Appeal Is Approved

A successful appeal does not just reduce your monthly premium, it may also trigger a refund. If you have been paying the higher IRMAA surcharge while your appeal was pending, SSA will credit the overpaid amount back to you.

Here is a concrete example using verified 2026 CMS figures:

Thomas retired in January 2025 after 30 years as a corporate attorney. His 2024 income was $485,000 — his final full year of work. In 2026, Social Security initially places him in IRMAA Tier 4 (income $205,000–$499,999), with a total monthly Part B premium of $649.20 and a Part D surcharge of $83.30 — a combined $732.50 per month.

His 2025 income, the first full year of retirement, was $112,000 from investment accounts, Social Security, and a small pension.

Thomas files Form SSA-44 citing retirement as his life-changing event and submits his 2025 tax return showing $112,000 in MAGI. SSA accepts the appeal and recalculates his 2026 IRMAA based on the 2025 return. His $112,000 income falls just above the $109,000 single-filer threshold, placing him in Tier 1: a total Part B premium of $284.10 per month plus a Part D surcharge of $14.50.

Compared to Tier 4, he saves $3,776.40 per year on Part B alone ($649.20 − $284.10 = $365.10/month × 12). Adding Part D savings of $83.30 − $14.50 = $68.80/month, his total annual savings are $5,278.80. SSA refunds the Tier 4 premiums he paid during the appeal period.

2026 IRMAA Brackets at a Glance

(Individual filer — based on 2024 MAGI)

MAGI (Single Filer) Total Part B Monthly Premium Part D Surcharge

≤ $109,000 $202.90 (standard) $0

$109,001 – $137,000 $284.10 $14.50

$137,001 – $171,000 $405.80 $37.50

$171,001 – $205,000 $527.50 $60.40

$205,001 – $499,999 $649.20 $83.30

≥ $500,000 $689.90 $91.00

More information on IRMAA Brackets

Common Mistakes When Filing SSA-44

Submitting Without the Right Evidence
A statement that "I retired last year" is not sufficient. SSA needs documentation: an employer letter confirming retirement date, your final pay stub, or your first Social Security benefit statement reflecting retirement status. Without supporting evidence, the appeal is likely to be delayed or denied.

Using the Wrong Year's Income
If you retired in June 2025 and your 2025 MAGI was still relatively high due to six months of salary, but your 2026 income will be much lower, you should estimate your 2026 income rather than use your 2025 return. Always choose the year that most accurately reflects your ongoing income — not just the most recently completed year.

Waiting Too Long to File
You can file SSA-44 at any point during the benefit year. But every month you delay is a month of higher premiums you may not recover. If you retired in January 2026 and did not file an appeal until October 2026, you may have paid nine months of excess premiums that should have been refunded.

Not Accounting for IRMAA Thresholds in Your Income Estimate
When estimating your current-year income for the appeal, be thorough and conservative. If you estimate $108,500 but your actual income comes in at $110,000, you will still owe the Tier 1 surcharge and SSA may reassess for a future year. Underestimating creates a compliance risk. Overestimating leaves money on the table.

What to Do If Your Appeal Is Denied

If SSA denies your Form SSA-44 request, you have a formal appeals path:

Reconsideration: Request a reconsideration in writing within 60 days of the denial letter. Provide any additional documentation that supports your claim.
Hearing before an Administrative Law Judge: If reconsideration is denied, you can request a hearing.
Appeals Council Review and Federal Court: Further escalation is available if needed, though rarely necessary for IRMAA cases.

For most straightforward cases, a clear retirement event with documentation, denials are uncommon. Denials are more likely when the qualifying event is ambiguous or when income estimates are not well-supported.

Frequently Asked Questions About IRMAA Appeals

Can I file Form SSA-44 before my IRMAA determination letter arrives?
You can contact SSA proactively if you know a qualifying life-changing event has occurred, but the formal SSA-44 process typically follows receipt of your initial IRMAA determination. You do not need to wait for a second billing cycle, file as soon as you have your documentation ready.

Does an IRMAA appeal affect next year's premiums too?
A successful SSA-44 appeal adjusts premiums for the current benefit year. Your premiums for the next year will be set using the standard look-back process, likely your most recently filed tax return. If your income remains lower, your future IRMAA will naturally decline without another appeal.

What if my income dropped due to a Roth conversion year that pushed me into a high bracket?
A Roth conversion is not a qualifying life-changing event. You cannot appeal an IRMAA determination that was triggered by a voluntary income decision, even one made for legitimate tax planning purposes. This is why careful conversion planning against the IRMAA thresholds is so important before the conversion happens. Visit the Complete IRMAA Planning Guide to learn more.

If I appeal and SSA uses a lower income year, will they go back and check my actual income when the return is filed?
Yes. If SSA used an estimated current-year income, they will verify it against your actual filed return and may adjust premiums accordingly. If your actual income was higher than estimated, SSA may reassess.

Can I appeal if my income was high due to an inherited IRA distribution?
An inherited IRA distribution is not a qualifying life-changing event for SSA-44 purposes, even though the income was involuntary in some sense. An experienced advisor can help you evaluate your specific situation.

Where do I send Form SSA-44?
You submit SSA-44 to your local Social Security Administration office. Find your local office at ssa.gov/locator. In-person submission is generally faster than mail for resolving questions.

Not Sure Whether Your Situation Qualifies?

The SSA-44 process is straightforward when circumstances are clear-cut. It is more nuanced when income has multiple components, when life-changing events overlap, or when you are trying to determine which year's income to use. If you are looking at an IRMAA surcharge that does not reflect your current income reality, it is worth a conversation to evaluate whether you have grounds for an appeal — and how to document it properly. I offer a complimentary 20-minute Retirement Fit Call, and this is exactly the kind of question that fits into that conversation. Schedule your Retirement Fit Call here.

Sources

Sentient Financial, LLC is a state-registered investment adviser in California. This information is for educational purposes only and does not constitute investment, tax, or legal advice. Nothing here should be taken as a recommendation to buy or sell securities or to implement a specific strategy. Past performance does not guarantee future results. IRMAA premium figures are based on 2026 CMS-published rates and income thresholds; these figures are adjusted annually and are subject to change. Always verify current procedures and premium amounts with the SSA and CMS directly.

IRMAATax PlanningRetirement Planning

Patrick Thompson