How to Dispute a Medical Bill (Step by Step, With a Sample Letter)
How to dispute a medical bill: find billing errors, call the provider, appeal an insurance denial within 180 days, use the $400 rule and a sample letter.
Patient Help
Plain-English guides to reading, checking and disputing US medical bills.
Medical Bill Help: Charity Care, Payment Plans and Your Rights
Can’t afford a medical bill? How to apply for hospital financial assistance (charity care), negotiate, set up a payment plan and protect your credit.
What Is an EOB? How to Read Your Explanation of Benefits
An Explanation of Benefits (EOB) is not a bill. Learn each line of an EOB, see an example and learn how to check your medical bill against it.
No Surprises Act: Your Rights Against Surprise Medical Bills (2026)
What the No Surprises Act covers, when you can only be billed in-network prices, Good Faith Estimates, the $400 dispute rule and what to do about a surprise bill.