What Is a Qualified Medicare Beneficiary (QMB)?

Your parent is on Medicare, their income barely covers rent and groceries, and they just received a bill from the cardiologist for $340 in Medicare coinsurance. Before you write that check, you need to know about the Qualified Medicare Beneficiary program—because that bill may be illegal.

The QMB program is a Medicare Savings Program administered by state Medicaid agencies. It pays for Medicare Part A premiums, Part B premiums, and all Medicare cost sharing—deductibles, coinsurance, and copayments. For qualifying seniors, it eliminates virtually every out-of-pocket medical expense under Medicare.

QMB Eligibility in 2026

To qualify for QMB, your parent must meet these thresholds:

• Income: At or below 100% of the Federal Poverty Level plus a $20 general income disregard—$1,350 per month for an individual, $1,824 per month for a married couple in 2026
• Assets: Below $9,950 for an individual, $14,910 for a married couple
• Medicare enrollment: Must be enrolled in Medicare Part A

The income test counts gross monthly income from all sources—Social Security, pensions, VA benefits, and any unearned income. The asset test excludes the primary home, one vehicle, personal belongings, burial plots, and up to $1,500 in designated burial funds.

The Federal Balance Billing Ban

This is the most important protection QMB provides—and the most frequently violated.

Under the Balanced Budget Act of 1997 (codified at 42 U.S.C. § 1396a(n)(3)(B)), every Medicare-participating provider, supplier, and pharmacy is prohibited from billing QMB enrollees for any Medicare Part A or Part B cost sharing. This includes deductibles, coinsurance, and copayments.

The ban is absolute. It applies even if:

• The provider is not enrolled as a Medicaid provider
• The state Medicaid agency reimburses the provider nothing for the cost sharing
• Your parent receives care in another state while traveling
• The provider claims they "don't accept Medicaid"

Providers who violate this federal mandate face sanctions under their Medicare provider agreements.

What to Do When a QMB Patient Gets Billed

Despite the federal ban, illegal billing of QMB patients is widespread. Many providers either don't understand the law or deliberately ignore it. If your parent receives a bill:

1. Call the provider's billing office and state that the patient is QMB-enrolled and that billing QMB patients for Medicare cost sharing violates federal law
2. Follow up in writing with a letter citing the Balanced Budget Act of 1997 and CMS document MLN7936176, which explicitly details the prohibition
3. Report the provider to 1-800-MEDICARE (1-800-633-4227) and request that CMS investigate the billing practice
4. File a complaint with the Consumer Financial Protection Bureau if the bill has been sent to collections
5. Contact your state's SHIP counselor (State Health Insurance Assistance Program) for free help navigating the dispute

Your parent should never pay a bill for Medicare cost sharing if they are QMB-enrolled, regardless of what the provider's office says.

QMB vs. Other Medicare Savings Programs

QMB is the most comprehensive of four Medicare Savings Programs. Here's how they compare:

• QMB (≤100% FPL): Pays Part A premium, Part B premium, all deductibles, coinsurance, and copays
• SLMB (100–120% FPL): Pays Part B premium only
• QI (120–135% FPL): Pays Part B premium only (must reapply annually)
• QDWI: Pays Part A premium only (for certain disabled individuals)

All four programs share the same 2026 asset limits of $9,950/$14,910.

How QMB Connects to Dual Eligibility

QMB recipients are classified as "partial dual eligibles" unless they also qualify for full Medicaid benefits. The distinction matters: full dual eligibles receive comprehensive Medicaid coverage including long-term custodial care and home-based services, while partial duals only receive help with Medicare costs.

Enrollment in any Medicare Savings Program—including QMB—automatically qualifies your parent for the Part D Low-Income Subsidy (Extra Help), which drastically reduces prescription drug costs without a separate application.

If your parent's income and assets are low enough for QMB, they may also qualify for full Medicaid and should apply simultaneously. The Dual Eligible Coordination Blueprint includes the screening thresholds for every level of dual eligibility and walks through the application process step by step.

How to Apply

File Form SSA-1020 with the Social Security Administration. This single form triggers a dual screening: it applies for the Part D Low-Income Subsidy and automatically transmits your parent's financial data to the state Medicaid agency for MSP consideration (unless you opt out on Question 15—don't).

You can also apply directly through your state Medicaid office or county Department of Social Services. Processing typically takes 45 days, and benefits can be retroactive to the month of application.

See more United States guides →