How to dispute a medical bill and deal with medical debt

Don't pay the first bill on autopilot

Medical bills often contain mistakes, and the first bill you get may not reflect what your insurer paid. Before you pay, take a few steps to make sure you owe what you're being asked to pay. Most problems can be fixed with phone calls and letters, and you have more rights than many people realize.

Step 1: Get the itemized bill and your EOB

Ask the provider for an itemized bill that lists each charge with a date and billing code. Then find the explanation of benefits (EOB) your insurer sent for the same visit. The EOB is not a bill. It shows what was charged, what the plan allowed, what it paid, and what it says you owe.

Line the two up. The amount you owe on the bill should match the patient responsibility on the EOB. If the bill arrived before the insurer processed the claim, wait for the EOB.

Common errors to look for

• Charges for care, tests or supplies you didn't receive.
• Duplicate charges for the same item or service.
• Wrong dates, or a hospital stay counted with an extra day.
• A claim that was never sent to your insurer, or sent to the wrong one.
• An out-of-network charge that the No Surprises Act may protect you from, such as emergency care.
• A bill sent to you for an amount the EOB says you don't owe.

Step 2: Call the provider and the insurer

Call the provider's billing office first, explain what looks wrong, and ask them to correct and rebill. If the problem is a denied or underpaid claim, call your insurer and ask why. Sometimes a simple coding fix or missing paperwork solves it. Ask the provider to put the account on hold while it's being reviewed.

Keep a log of every call: the date, the person's name and what they said. Follow up important requests in writing.

Step 3: Appeal an insurance denial

If your private health plan denies a claim, you have a right to appeal. The rules below apply to most plans under the Affordable Care Act; Medicare and Medicaid have their own appeal processes.

• Internal appeal: you generally have 180 days from the denial notice to ask your insurer to reconsider. It must decide within 30 days for care you haven't had yet and 60 days for care you already received. Urgent cases move faster.
• External review: if the insurer still says no, you can ask an independent reviewer to decide. You generally must file in writing within 4 months of the final denial. Your insurer must accept the reviewer's decision.
• Ask your doctor for a letter explaining why the care was medically necessary. It often makes the difference.

Step 4: Ask about financial assistance

Most hospitals offer financial assistance, sometimes called charity care, and nonprofit hospitals are required to. Under section 501(r) of the tax code, a tax-exempt hospital must have a written financial assistance policy. For patients who qualify, it can't charge more for emergency or other medically necessary care than the amounts it generally bills to people who have insurance.

Nonprofit hospitals also face limits on aggressive collection. They generally can't take extraordinary collection actions, such as reporting you to credit bureaus, selling the debt, suing you or placing a lien, during the first 120 days after the first bill after discharge. You can apply for assistance for at least 240 days after that first bill. If you send a complete application, the hospital must pause those collection actions until it decides. Ask the billing office for the application, even if you think your income is too high.

Step 5: Set up a payment plan

If you owe the money, ask the provider for an interest-free payment plan before the bill goes to collections. Many offer one. Be cautious about putting medical bills on a credit card or a medical credit card, which can carry high interest once a promotional period ends. Ask about a discount for paying in full, too.

Medical debt and your credit report

The three national credit bureaus, Equifax, Experian and TransUnion, made voluntary changes in 2022 and 2023. Paid medical collection debt no longer appears on credit reports. Unpaid medical debt doesn't show up until it has been in collections for one year. And medical collection debt under $500 is not reported.

A broader federal rule would have gone further. In January 2025, the Consumer Financial Protection Bureau (CFPB) finalized a rule to remove most medical debt from credit reports. In July 2025, a federal judge in the Eastern District of Texas vacated it, ruling the agency lacked the authority to issue it. As of late October 2026, that rule is not in effect, so medical debts of $500 or more that stay unpaid for a year can still appear on your report.

Some states have their own limits on reporting or collecting medical debt, but the rules vary, and in October 2025 the CFPB took the position that federal law overrides many state credit-reporting limits. Your state attorney general's office can tell you what applies where you live.

If a bill goes to collections

Ask the collector in writing to validate the debt, and check it against your EOB. If medical debt that should not be there shows up on your credit report, dispute it with the credit bureau. You can still apply for hospital financial assistance after a bill goes to collections at many hospitals. This is general information, not legal or financial advice; a local legal aid office or nonprofit credit counselor can help for free or at low cost.