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PIKE
Medical bills

Dispute surprise medical charges

When you got billed for something you never agreed to, or charged out-of-network without warning.

3 documentsAbout 20 minutes5 questions to answer
What's in the pack
Itemized bill request
Letter, 1 page
01
Surprise billing dispute
Letter, 2 pages
02
Insurance appeal letter
Letter, 1 page
03
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A bill from a hospital is not a final number. It is the opening offer in a negotiation you didn't know you were in.

Who this pack is for

You got a medical bill that's wrong, surprising, or both. Maybe the ER charged you out-of-network for a hospital you went to in-network. Maybe an anesthesiologist at an in-network surgery center turned out to be a contracted out-of-network provider. Maybe an itemization came with line items you don't recognize, charged twice, or charged at a rate nothing like your insurance EOB. The federal No Surprises Act (effective 2022, codified at 42 U.S.C. § 300gg-111) plus state-level protections give you real leverage — but only if you put the dispute in writing within the windows the law gives you.

When to use it

Send the dispute as soon as you receive the bill. Many billing departments will tag a written dispute as 'in review' and pause collections while it's open — calls and verbal disputes do not get the same treatment. The pack drafts three letters: a request for an itemized bill (which you should always have before paying anything), a No Surprises Act dispute letter for surprise out-of-network charges, and an insurance appeal letter if the issue is your insurer's denial rather than the provider's bill. Send all three by certified mail with return receipt; pre-pay the postage, keep the green card.

What it doesn't cover

This pack handles billing disputes, not coverage decisions about whether a treatment was medically necessary. For pure medical-necessity denials, you need an internal appeal followed by an external review (state-level or, for ERISA plans, a federal-style external review). It does not handle balance-billing protection from non-emergency, scheduled, fully out-of-network care that you knowingly chose — the No Surprises Act covers emergency services, post-stabilization care, and air ambulance, plus scheduled care at in-network facilities provided by out-of-network professionals (the 'in-network facility, out-of-network professional' trap). And it does not address debt collection on medical bills that have already been sent to collections — that's a separate FDCPA-flavored dispute.

State-specific notes

Rules vary by jurisdiction. Below are notes for the states where dispute surprise medical charges runs into the most variance. If your state isn't listed, default to your state's tenant-rights handbook or local legal aid.

New York (NY)
New York's surprise billing law (NY Fin. Servs. § 606) predates and supplements the federal No Surprises Act. It includes an Independent Dispute Resolution (IDR) process for out-of-network charges and bars a provider from billing you for more than your in-network cost-share for emergency services. File NY-specific complaints through the Department of Financial Services.
California (CA)
California's AB 72 (2017) bars balance billing for non-emergency in-network facility care delivered by an out-of-network provider — you pay only your in-network cost-share, and the dispute is between the provider and your insurer. Cal. Health & Safety Code § 1371.4. File complaints with the Department of Managed Health Care for HMOs or the Department of Insurance for PPOs.
Texas (TX)
Texas has its own balance-billing law (Tex. Ins. Code Ch. 1467) with mediation and arbitration for state-regulated plans. Federal employees and large self-insured employer plans are governed by the federal No Surprises Act instead — check the back of your insurance card for plan type before choosing the dispute pathway.
Florida (FL)
Florida's 2016 surprise billing law (Fla. Stat. § 627.64194) limits balance billing for emergency services and for in-network hospital care. Disputes go through the Florida Department of Financial Services. Complaints can also be filed with the federal No Surprises Help Desk for any plan type.

Common questions

What's a 'good faith estimate' and do I get one?
If you're uninsured or self-pay, the No Surprises Act requires providers to give you a good faith estimate of expected charges at least 1–3 business days before non-emergency services (or upon request). If the actual bill exceeds the estimate by $400 or more, you can dispute through the federal Patient-Provider Dispute Resolution process. Always ask for one in writing; many providers won't volunteer it.
Can the provider send my bill to collections while I dispute it?
Federal law and most state laws prohibit collection activity while a dispute is properly pending. The pack's letter explicitly demands the account be flagged as disputed. If the provider sends to collections anyway, that's potentially an FDCPA violation and a CFPB-reportable issue. Save proof of the dispute (certified mail receipt, written response).
What if I'm uninsured or paying cash?
You're entitled to a good faith estimate before scheduled services and to dispute resolution if the bill exceeds the estimate by $400+ (federal Patient-Provider Dispute Resolution, 45 C.F.R. § 149.620). Many hospitals also have charity-care or sliding-scale policies that cap your bill at a percentage of income — ask for the financial assistance application as part of any dispute.
How do I know if my plan is ERISA?
If your insurance comes from a private-sector employer (especially a large one), it's likely ERISA-governed. Look at your Summary Plan Description — if it says 'self-funded' or 'ASO,' that's ERISA. State plans, federal employee plans, and individual market policies are not ERISA. ERISA matters because it determines whether state surprise-billing laws apply to your dispute or whether you go through federal No Surprises Act exclusively.
Should I pay the bill while disputing?
Generally no. Paying it removes pressure on the provider to negotiate and creates a 'voluntary payment' presumption that's harder to undo. If the bill is large and you're worried about collections, pay only the in-network cost-share you're sure you owe (your EOB shows what's normally allowed) and dispute the rest. If you can't afford even that, ask for charity care or a hardship deferral while the dispute is open.
What about credit reporting?
As of 2023, the three major credit bureaus removed paid medical collections from credit reports and don't report unpaid medical collections under $500. They also wait 365 days from the first delinquency before reporting any medical collection. That gives you time to dispute. If a medical collection appears on your report incorrectly, dispute through the bureau under FCRA — most are removed because the original creditor (provider) doesn't validate the chain of title.
What's the difference between balance billing and a surprise bill?
Balance billing is when an out-of-network provider bills you for the difference between their charge and what your insurance paid — legal in many situations but barred for surprise scenarios under the NSA. A surprise bill is a balance bill in a situation where you reasonably expected in-network care: emergency services, scheduled in-network facility care delivered by an out-of-network professional, or air ambulance services. The pack's NSA letter targets surprise bills specifically.

Sources

Primary legal sources cited above. These link to free, public versions of the statutes, regulations, and case law referenced in this pack.

Pike provides plain-language legal information, not legal advice. State and local rules change. If money, custody, or your housing is on the line, talk to a licensed attorney or your local legal aid office.