What counts as a surprise bill

Three situations produce them:

Emergency care at an out-of-network hospital. You don’t choose the ambulance’s destination, and the law recognizes that.

An out-of-network clinician inside an in-network hospital. The classic case: you checked the hospital, but the anesthesiologist, radiologist, pathologist or assistant surgeon has a separate contract — or none.

A referred service you weren’t told was out-of-network — a specimen sent to an out-of-network lab, imaging read by an out-of-network group.

What is not a surprise bill: choosing an out-of-network doctor knowingly, or a service your plan doesn’t cover at all. Those are different problems with different answers.

What you actually owe

For the protected situations, your responsibility is limited to in-network cost sharing — the deductible, copay or coinsurance you’d have paid had the provider been in network. The balance is worked out between provider and plan.

Practical translation: if an out-of-network anesthesiologist bills you $2,400 for a procedure at an in-network hospital, that number is not your bill.

What to do, in order

1. Don’t pay it, and don’t ignore it. Both are expensive in different ways.

2. Get the explanation of benefits and put it next to the bill. Compare the “patient responsibility” line to the amount demanded. A gap between them is the whole case.

3. Call the insurer first. Say: “This is a surprise bill under the No Surprises Act and New York’s surprise billing law. The provider was out-of-network at an in-network facility. Please reprocess at in-network cost sharing.” Note the date, the representative, and the reference number.

4. Call the provider’s billing office. Say the same thing, and add: “Please stop billing me directly while this is resolved between you and the plan.”

5. Put it in writing. Email or letter, with the account number, dates of service, and both prior calls referenced. Phone calls without a paper trail lose.

6. Escalate. New York’s Department of Financial Services handles surprise billing complaints and runs the state’s independent dispute resolution process. If the underlying issue is a denial rather than a balance bill, the external appeal route applies instead.

If you’re uninsured, this is a different route

Surprise billing protections are built around in-network and out-of-network, which presupposes a network. An uninsured patient’s route is hospital financial assistance: below 200% of the federal poverty level a New York hospital may not charge out-of-pocket costs, and between 201% and 300% it may not charge more than 10% of the Medicaid rate.

There’s also a federal requirement that uninsured and self-pay patients receive a good faith estimate before scheduled care. If the final bill substantially exceeds the estimate, that gap is disputable.

Questions people ask

The hospital was in network but the doctor wasn’t. Do I owe the difference?

Generally no. That’s the core case these laws address — you owe in-network cost sharing.

Does this cover ground ambulances?

Ground ambulance billing was left out of the federal law’s main protections and has been handled differently. Treat an ambulance bill as a negotiation and check current New York rules before paying.

What if I already paid?

Ask for a refund in writing, citing the protection. Payment doesn’t extinguish a wrongly-billed charge.

How long do I have?

Deadlines vary by process — insurer appeal windows, the state’s dispute resolution timelines. Move in weeks, not months, and note every date.

Can this go to collections while disputed?

It shouldn’t, and telling both the provider and the collection agency in writing that the amount is disputed under surprise billing law is the step that stops it. Keep copies.

Sources

  1. New York State Department of Financial Services (checked 2026-08-12)
  2. New York State Department of Health (checked 2026-08-12)
  3. No Surprises Act (overview) (checked 2026-08-12)

More in Costs

This page explains how the system works. It is not medical advice. More.