How to question, dispute or contest a medical bill

Most bill problems are resolved by a phone call, not a dispute. Work through this in order, and keep a record at each step.

1. Get the itemized statement

If you have only a summary, request an itemized statement showing each charge with its code and date of service. You cannot question specifics you cannot see, and the request is routine.

2. Do the arithmetic

Check that each line multiplies correctly, that the lines add up to the total, and that insurance payments, adjustments and your responsibility account for the billed amount. Note the exact page and line for anything that does not reconcile.

3. Compare with your EOB

If you have insurance, compare the bill against the Explanation of Benefits for the same claim. Differences in patient responsibility are the single most productive thing to ask about.

4. Call the billing department

Ask about specific lines, not the bill in general. Have your account number, the statement date, and your list of line numbers ready. Note who you spoke to and when.

Useful questions:

• "Can you explain what this charge covers?"
• "Can you confirm whether these two lines are separate services?"
• "How was my patient responsibility calculated?"
• "Has this claim been fully processed by my insurer?"
• "Is there a financial assistance policy or a self-pay discount I can apply for?"

5. Put it in writing

If the call does not resolve it, send a short written request for clarification listing the specific charges and questions. Keep it factual and neutral. You are asking for an explanation, not making an allegation. Keep a copy.

6. Involve your insurer

If the disagreement is about how the claim was processed, call your insurer and ask them to explain their determination. Insurers have formal internal appeal processes, and your EOB or member documents explain how to start one.

7. Know which official processes exist

In the United States, CMS publishes consumer information about medical billing protections, including the No Surprises Act for certain out-of-network and emergency situations, and a patient-provider dispute resolution process for uninsured or self-pay patients whose bill substantially exceeds a good faith estimate. Whether a specific protection applies to your situation depends on details only you and the parties involved can confirm.

What not to do

Do not open with an accusation. Do not ignore the bill and hope it resolves, because unpaid balances move toward collections. Do not assume a large number is an error, and do not assume it is correct either.

Open your bill in MedBillCheckup (it is read on your device and never uploaded) and we will produce the arithmetic, the specific line references, the question checklist, and a neutral message you can send.