How to Prove QMB Status to a Doctor, Hospital, or Supplier

The simplest way to prove QMB status is to show both your Medicare card and your Medicaid or QMB card each time you receive care. Medicare also says Original Medicare enrollees can use a Medicare Summary Notice that shows QMB status. A provider should then verify the status before billing you for Medicare cost-sharing.

Proof of QMB status: key takeaways

• Bring your Medicare card and your Medicaid or QMB card to every appointment, hospital visit, and supplier pickup.
• For Original Medicare, a Medicare Summary Notice can show that you are in QMB.
• A QMB enrollee cannot be billed for Medicare-covered Part A or Part B deductibles, coinsurance, or copayments.
• If a billing office cannot correct a charge, call 1-800-MEDICARE or your state Medicaid agency.

Which cards should you show?

Medicare tells QMB enrollees to show their Medicare card and Medicaid or QMB card whenever they get care. The cards give the billing office the information it needs to identify the person and verify coverage. Do not rely on a front desk remembering a prior visit; give the cards again when a provider, plan, or pharmacy asks for insurance information.

Can a Medicare Summary Notice help?

Yes, if you have Original Medicare. Medicare says an Original Medicare enrollee can show a Medicare Summary Notice because it shows QMB status. A Medicare Summary Notice is not a bill. Keep the notice available until the provider has corrected its records, and avoid sharing more personal information than the office needs to identify your coverage.

What should a provider do after you show proof?

CMS instructs Original Medicare and Medicare Advantage providers and suppliers not to charge QMB enrollees for Medicare cost-sharing for covered Part A and Part B services. The office should check its eligibility information, submit the claim correctly, and remove any patient balance that is Medicare cost-sharing. CMS’s QMB billing FAQ explains that this rule also applies when a provider does not accept Medicaid.

What if you still get a QMB bill?

1. Do not pay a bill for Medicare-covered cost-sharing until the billing office rechecks your QMB status.
2. Call the billing number and say that you are enrolled in QMB. Ask the office to verify the status and void or correct the charge.
3. Send or show a copy of the relevant cards or notice only through the provider’s approved process.
4. If the charge is not fixed, contact 1-800-MEDICARE and your state Medicaid agency. If you already paid, ask the provider about a refund.

For a fuller walkthrough, read QMB balance-billing protections and what to do about a bill. This article is general information; the state and Medicare records control your current status.

Frequently asked questions