Does the No Surprises Act apply to my bill?

You got a bill from a provider you didn't choose, and it's far more than you expected. Maybe it came after an emergency room visit, or from a doctor you met on the day of surgery. The No Surprises Act (NSA) may limit what you owe.

This guide helps you check whether the law applies to your bill, and what to do if it does. It's part of our guide on how to appeal an insurance denial.

What does the No Surprises Act protect you from?

The No Surprises Act is a federal law that took effect on January 1, 2022. It protects people with health insurance through an employer, the Health Insurance Marketplace, or a plan they bought on their own.

It stops most surprise out-of-network bills in 3 situations:

1. Emergency care. This includes hospital emergency rooms and independent, freestanding emergency departments.
2. Non-emergency care at an in-network facility. This covers out-of-network providers who treat you during a visit to an in-network hospital, hospital outpatient department, or ambulatory surgical center.
3. Air ambulance rides from out-of-network air ambulance companies.

Without the law, an out-of-network provider could bill you the difference between its full charge and what your plan paid. That's called balance billing. A surprise bill is a balance bill you didn't see coming.

What does "protected" mean?

When the law applies, you pay only what you'd pay in-network. That means your usual copay, coinsurance, and deductible. Your plan pays the out-of-network provider directly, and the provider can't bill you for the rest.

Your plan also has to:

• Count what you pay toward your in-network deductible and out-of-pocket limit.
• Cover emergency care without prior approval, even from out-of-network providers.
• Base your share on what it would pay an in-network provider, and show that amount on your explanation of benefits (EOB).

In most cases, the protection also covers care after an emergency that keeps your condition stable. For that follow-up care, a provider can sometimes ask you to sign a form giving up your protections. Our guide to emergency room bills covers the other bills an ER visit can bring.

Can a provider ask you to give up your protections?

Sometimes. For some planned care at an in-network facility, an out-of-network provider can ask you to sign a notice and consent form. Signing it means you agree to be billed out-of-network. You never have to sign.

The form has to follow strict rules. It must be separate from your other paperwork and include an estimate of the cost. It must say that signing is optional. You also have to get it on time:

• At least 72 hours before your care, if you schedule at least 72 hours ahead
• On the day you schedule, if your care is less than 72 hours away
• At least 3 hours before your care, if you get the form on the same day

You can take back your consent in writing before your care starts. If you don't sign, the provider may refuse non-emergency care, and you may need to see an in-network provider instead.

Some providers can never ask you to sign. That includes anyone giving you emergency care. It also includes these providers at an in-network facility:

• Emergency medicine, anesthesiology, pathology, radiology, and neonatology
• Lab work and other diagnostic services
• Assistant surgeons, hospitalists, and intensivists
• Any out-of-network provider, when no in-network provider there can do the service

Anesthesia is one place these bills show up. Our guide to out-of-network anesthesia bills explains how those protections work.

What doesn't the No Surprises Act cover?

The law has real limits. It generally doesn't cover:

• Ground ambulances. Out-of-network ground ambulances can still bill you more, unless your state's law says otherwise. See our guide to ambulance bills.
• Non-emergency care at an out-of-network facility, or at a doctor's office that isn't a hospital outpatient department.
• Some types of coverage, like vision-only and dental-only plans, short-term plans, health care sharing ministries, and fixed indemnity plans.

People without insurance, or who choose not to use it, have a different right. You can usually get a good faith estimate before scheduled care. If the bill is at least $400 more than a provider's estimate, you can dispute it. Our guide to good faith estimate disputes explains how.

The law's billing rules are for private insurance. Medicare, Medicaid, TRICARE, the Indian Health Service, and Veterans Affairs have their own protections. They already shield you from surprise bills from providers that take part in those programs.

Does it apply to your bill?

Ask yourself these questions:

1. Do you have health insurance through an employer, the Marketplace, or a plan you bought yourself?
2. Was the care an emergency? If yes, you're likely protected.
3. If it wasn't an emergency, was it during a visit to an in-network hospital, hospital outpatient department, or surgery center?
4. Was the provider who billed you out-of-network, even though the facility was in-network?
5. Was it an air ambulance? Air is covered. Ground usually isn't.
6. Did you sign a notice and consent form? If the provider is on the list above, or the form broke the rules, you may still be protected.

If you answered yes to question 1 and your care fits question 2, 3, or 5, the law likely applies. Our No Surprises Act check walks you through it in a few questions.

What to do if you get a surprise bill

1. Don't pay the extra amount. Compare the bill with your EOB. When the law applies, your share should match what you'd owe in-network.
2. Call the provider's billing office. Say you believe the No Surprises Act applies. Ask them to correct the bill to your share on the EOB, and to hold your account while they check.
3. Call your insurer. Ask whether they processed the claim under the No Surprises Act. If they treated it as out-of-network, ask them to reprocess it.
4. Put it in writing. Our surprise bill dispute letter gives you the words.
5. Call the No Surprises Help Desk at 1-800-985-3059, or submit a complaint online. Include your bill, insurance card, EOB, and any consent form you signed.

The Help Desk can review your complaint, check whether your provider or insurer followed the rules, and refer it to your state if needed.

If your insurer won't apply the law, you can appeal. Denials about surprise billing protections can go to an independent reviewer. Our guide to external review for health insurance explains how.

Your state may have its own surprise billing law. The federal law sets a minimum, so state rules may add more protections.

Say Andre goes to an in-network hospital emergency room on June 12, 2026. The emergency doctor who treats him is out-of-network. Andre has already met his deductible, and his plan's coinsurance is 20%.

Step	Amount
The doctor's charge	$1,500
The amount his plan uses to figure his in-network share	$500
Andre's 20% coinsurance	$100
What his plan paid the doctor	$400
The doctor's bill to Andre ($1,500 − $400)	$1,100
What Andre owes under the No Surprises Act	$100
The balance bill he doesn't have to pay	$1,000

Andre's EOB shows he owes $100. He calls the billing office, says the No Surprises Act applies, and asks for a corrected bill of $100. His $100 counts toward his in-network out-of-pocket limit. Any dispute over the rest is between the doctor and his plan.

When to get help

You can often fix a surprise bill with a call to the provider and your insurer. It's worth getting help when:

• The provider won't correct the bill, or keeps sending it.
• Your insurer processed the claim as out-of-network and won't change it.
• The bill has gone to collections.
• You're not sure whether you signed a consent form, or whether it followed the rules.

The No Surprises Help Desk, at 1-800-985-3059, answers questions and takes complaints. Your state insurance department can explain your state's surprise billing law. Your insurer's member services team can explain how your claim was processed.

A medical bill advocate can also take on the calls for you. For big bills or collection lawsuits, an attorney can explain your options.