Are Medicare Benefits Taxable? IRMAA, Premiums, and Deductions

Are Medicare benefits taxable? No. When Medicare pays your hospital, doctor, or drug plan, that money is a third-party insurance payment; it never passes through your hands and never appears on your tax return. What does affect your taxes is everything that sits around Medicare: how much of your Social Security becomes taxable, whether your income triggers a premium surcharge, whether you can deduct the premiums you pay, and what happens to your HSA once you enroll.

The Coverage Itself Is Not Taxed

Payments Medicare makes to providers on your behalf are not income to you. This is true for Part A hospital coverage, Part B outpatient services, Part C Medicare Advantage plans, and Part D prescription drug coverage. You will not receive a 1099 for those payments and you do not report them anywhere.

Most of the confusion starts because Medicare premiums are withheld from Social Security checks, and Social Security itself can be partly taxable. That is a Social Security question, not a Medicare question. The Medicare benefit is not what gets taxed.

How Medicare Interacts With Social Security Taxability

The IRS decides how much of your Social Security is taxable using “provisional income” (also called combined income): your adjusted gross income, plus any tax-exempt interest, plus half of your total Social Security benefits for the year.¹ That number determines whether 0%, up to 50%, or up to 85% of your benefits get added to taxable income.

Single Filers

Below $25,000: benefits are not taxable.
$25,000 to $34,000: up to 50% may be taxable.
Above $34,000: up to 85% may be taxable.

Married Filing Jointly

Below $32,000: benefits are not taxable.
$32,000 to $44,000: up to 50% may be taxable.
Above $44,000: up to 85% may be taxable.

These thresholds were set in 1983 and 1993 and have never been adjusted for inflation, so many more retirees now cross them than Congress originally expected.²

One filing-status trap catches people off guard. If you are married, file separately, and lived with your spouse at any point during the year, your base drops to zero. Up to 85% of your Social Security becomes taxable no matter how modest your income is.² Married couples who file separately and live apart for the entire year use the same $25,000 and $34,000 thresholds as single filers.

Provisional income is broader than many people assume. Capital gains, rental income, dividends, and even tax-exempt municipal bond interest all count.³ One big capital gain, like selling a house, can push you past the 85% line for a single year even if your normal income is well below it. Spreading asset sales across tax years, where you can, is one of the simplest ways to keep control of this.

The Social Security Administration sends Form SSA-1099 each January showing your total benefits and any Medicare premiums withheld. You need both numbers when you file. If you lose it, you can download a replacement from your my Social Security account.⁴

The Income-Related Premium Surcharge (IRMAA)

Higher-income beneficiaries pay a surcharge on top of the standard Part B and Part D premiums. This is IRMAA. It is not a tax on your Medicare benefit; it is an additional premium tied to your income. The standard Part B premium in 2026 is $202.90 per month, and IRMAA can add as much as $487.00 more per month at the top of the scale.⁵

IRMAA is based on the modified adjusted gross income on your tax return from two years earlier. For 2026 premiums, that means your 2024 return. MAGI here is your AGI plus any tax-exempt interest.⁶

2026 Part B IRMAA for Individual Filers

$109,000 or less: no surcharge.
$109,001 to $137,000: additional $81.20 per month.
$137,001 to $171,000: additional $202.90 per month.
$171,001 to $205,000: additional $324.60 per month.
$205,001 to $499,999: additional $446.30 per month.
$500,000 or more: additional $487.00 per month.

For couples filing jointly, the brackets are roughly double, with no surcharge at $218,000 or less and the top bracket starting at $750,000.⁵ Part D carries a separate IRMAA at the same income brackets, running from $14.50 to $91.00 per month on top of your plan premium.

Because IRMAA looks back two years, it can badly misstate your current situation. If your income dropped because of a qualifying life-changing event, including marriage, divorce, death of a spouse, stopping or reducing work, loss of income-producing property through disaster or theft, loss of pension income, or an employer settlement, you can ask Social Security to use a more recent year. You file Form SSA-44 with supporting documentation.⁷ Retirees who just stopped working are often paying IRMAA based on their last full salary year and never realize they can appeal.

Deducting the Premiums You Pay

Coverage isn’t taxable, but the premiums you pay out of pocket can lower your tax bill. There are two routes.

Itemized Medical Expenses

If you itemize on Schedule A, you can deduct unreimbursed medical and dental expenses that exceed 7.5% of your AGI.⁸ Medicare-related costs that count toward the total include:

Part B premiums, including any IRMAA surcharge.
Part D premiums.
Voluntary Part A premiums if you are paying them (payroll taxes paid during working years don’t count).
Medigap premiums.
Medicare Advantage (Part C) premiums when the plan covers medical services.

The catch is that your total itemized deductions have to beat the standard deduction, which is generous for people 65 and older. Most retirees never clear that bar through medical costs alone, so this deduction ends up helping a narrow slice of filers.

Self-Employed Health Insurance Deduction

If you have net profit from self-employment, the deal is much better. You can deduct Medicare premiums on Schedule 1 as a self-employed health insurance deduction, which skips the 7.5% AGI floor entirely. It covers you, your spouse, and your dependents.⁹ The deduction is capped at your net self-employment earnings, and you cannot claim it for any month you were eligible for a subsidized employer plan, including a spouse’s plan.

Sole proprietors, partners, and S-corporation shareholders who own more than 2% all qualify. Any premium amount this deduction doesn’t cover can still go into your itemized medical expenses.¹⁰

HSA Contributions Must Stop When Medicare Starts

Enrolling in any part of Medicare ends your ability to contribute to a Health Savings Account. Starting with the first month you are enrolled, your HSA contribution limit is zero. You can still spend existing balances tax-free on qualified medical expenses, including Medicare premiums and copays, but no new money goes in.¹¹

Watch the retroactive-coverage trap. When you apply for Part A after age 65, coverage is backdated up to six months (never before the month you turned 65). Any HSA contributions during those retroactively covered months become excess contributions, subject to a 6% excise tax each year they stay in the account.¹¹ If you plan to delay Medicare to keep contributing, stop contributing at least six months before you enroll, or withdraw the excess (plus earnings) before your filing deadline to avoid the penalty.

Subsidies and Employer Reimbursements

The Low-Income Subsidy for Part D (Extra Help) and Medicare Savings Programs that help pay Part A and Part B premiums are not taxable income.¹² No tax form arrives for either one.

Employer reimbursements are different. When a current or former employer reimburses you for Medicare premiums outside a formal benefits plan, that money is generally taxable compensation and shows up on your W-2 or a 1099-R. The exception is a qualified arrangement such as an Individual Coverage Health Reimbursement Arrangement (ICHRA), which can reimburse Part B, Part C, or Medigap premiums tax-free when the plan meets IRS requirements and you are enrolled in qualifying coverage.¹³ If your former employer offers retiree health money, ask whether it flows through an ICHRA; the difference from a taxable stipend can be hundreds of dollars a year.

Don’t Forget State Rules

About nine states impose some form of state tax on Social Security benefits, though most offer exemptions or credits that reduce or eliminate it for lower-income retirees. The rest either exclude Social Security or have no income tax. A few states use a lower medical-expense floor than the federal 7.5%, which can make itemizing your Medicare premiums pay off on the state return even when it doesn’t federally. Rules vary widely, so check how your own state treats both Social Security income and medical deductions, especially if you sit close to the federal thresholds.

1
Internal Revenue Service. Social Security Income
2
Office of the Law Revision Counsel. 26 USC 86 – Social Security and Tier 1 Railroad Retirement Benefits
3
Internal Revenue Service. IRS Reminds Taxpayers Their Social Security Benefits May Be Taxable
4
Social Security Administration. Get Tax Form (1099/1042S)
5
Centers for Medicare & Medicaid Services. 2026 Medicare Parts A and B Premiums and Deductibles
6
Social Security Administration. POMS HI 01101.001 – Description of the Medicare Income-Related Monthly Adjustment Amount (IRMAA)
7
Social Security Administration. Medicare Income-Related Monthly Adjustment Amount – Life-Changing Event (Form SSA-44)
8
Internal Revenue Service. Publication 502 (2025), Medical and Dental Expenses
9
Internal Revenue Service. Instructions for Form 7206 (2025) – Self-Employed Health Insurance Deduction
10
Internal Revenue Service. Topic No. 502, Medical and Dental Expenses
11
Internal Revenue Service. Publication 969, Health Savings Accounts and Other Tax-Favored Health Plans
12
Social Security Administration. Understanding the Extra Help With Your Medicare Prescription Drug Plan
13
Centers for Medicare & Medicaid Services. Individual Coverage Health Reimbursement Arrangements Policy and Application Overview