Medical Bill Dispute Letter

Instructions for Use

This template is designed for disputing erroneous, excessive, or improper medical bills with healthcare providers and billing departments. It preserves your rights under federal and state consumer protection laws while requesting verification and correction of billing errors.

Best Practices:
- Send via certified mail with return receipt requested
- Keep copies of all correspondence
- Continue paying any undisputed portions
- Document all phone calls with date, time, and representative name
- Request itemized statements before disputing

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Dispute Letter

[Date]

VIA CERTIFIED MAIL, RETURN RECEIPT REQUESTED

[Healthcare Provider/Hospital Name]
[Billing Department / Patient Financial Services]
[Street Address]
[City, State, ZIP]

Re: Formal Dispute of Medical Bill
- Patient Name: ______________________________________________
- Date of Birth: ______________________________________________
- Account Number: ______________________________________________
- Date(s) of Service: ______________________________________________
- Amount Disputed: $ ______________________________________________
- Total Amount Billed: $ ______________________________________________

Dear Billing Department:

I am writing to formally dispute the above-referenced medical bill. This letter serves as written notice of billing errors and/or disputed charges pursuant to my rights under federal and state consumer protection laws, including the Fair Debt Collection Practices Act (15 U.S.C. § 1692) and applicable state consumer protection statutes.

I request that you cease all collection activity on the disputed amount while this matter is under review, and that you not report this account as delinquent to any credit reporting agency during the dispute resolution process.

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Section 1: Patient and Account Information

Field	Information
Patient Full Name	______________________________________________
Date of Birth	______________________________________________
Address	______________________________________________
City, State, ZIP	______________________________________________
Telephone	______________________________________________
Email	______________________________________________
Account/Invoice Number	______________________________________________
Original Bill Date	______________________________________________
Insurance (if applicable)	______________________________________________
Insurance ID Number	______________________________________________

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Section 2: Nature of Dispute

Type of Billing Error (Check all that apply)

Coding and Billing Errors:

☐ Duplicate Charges - Same service billed multiple times
- Service(s): ______________________________________________
- Dates: ______________________________________________

☐ Incorrect Procedure Code - Wrong CPT/HCPCS code used
- Billed Code: __________ Should Be: __________

☐ Unbundling - Services that should be billed together were billed separately
- Affected Codes: ______________________________________________

☐ Upcoding - Billed for more expensive service than provided
- Billed Code: __________ Actual Service: ______________________________________________

☐ Wrong Diagnosis Code - ICD-10 code does not match condition treated
- Billed Code: __________ Correct Code: __________

☐ Services Not Rendered - Charged for services I did not receive
- Service(s): ______________________________________________

☐ Incorrect Date of Service - Bill shows wrong date
- Billed Date: __________ Actual Date: __________

☐ Wrong Patient - Charges for another patient on my account

Insurance and Payment Errors:

☐ Insurance Not Billed - My insurance was not billed as required
- Insurance Company: ______________________________________________
- Policy Number: ______________________________________________

☐ Insurance Paid but Not Credited - Payment received but not applied
- EOB Date: ______________________________________________
- Amount Paid: $ ______________________________________________

☐ Wrong Insurance Information Used - Incorrect policy information submitted

☐ In-Network Provider Billed as Out-of-Network
- Provider Name: ______________________________________________

☐ Deductible/Copay Error - Incorrect cost-sharing calculation

☐ Coordination of Benefits Error - Multiple insurance not coordinated properly

Charge Amount Disputes:

☐ Excessive Charges - Amount billed exceeds reasonable and customary rates
- Service: ______________________________________________
- Amount Billed: $ ______________________________________________
- Reasonable Amount: $ ______________________________________________

☐ Charges Exceed Good Faith Estimate - Bill exceeds estimate by $400 or more (No Surprises Act)
- Estimate Amount: $ ______________________________________________
- Actual Bill: $ ______________________________________________

☐ Unauthorized Services - Services provided without proper consent
- Service(s): ______________________________________________

☐ Balance Billing Violation - Improper balance bill for emergency or in-network facility services

Other Disputes:

☐ Failure to Apply Financial Assistance - Eligible for charity care/discount
☐ Failure to Honor Payment Plan - Agreed payment plan not reflected
☐ Warranty/Guarantee Issue - Facility offered guarantee not honored
☐ Other: ______________________________________________

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Section 3: Detailed Explanation of Dispute

Describe the Billing Error in Detail

_______________________________________________________________________________

_______________________________________________________________________________

_______________________________________________________________________________

_______________________________________________________________________________

_______________________________________________________________________________

Specific Charges Disputed

Date of Service	Description/CPT Code	Amount Billed	Reason for Dispute
______________	___________________	$ ____________	_________________
______________	___________________	$ ____________	_________________
______________	___________________	$ ____________	_________________
______________	___________________	$ ____________	_________________
______________	___________________	$ ____________	_________________

Total Amount Disputed: $ ______________________________________________

Amount I Acknowledge Owing (if any): $ ______________________________________________

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Section 4: Supporting Documentation

Documents Attached (Check all that apply)

☐ Copy of original bill/invoice
☐ Itemized statement received
☐ Explanation of Benefits (EOB) from insurance
☐ Insurance card (front and back)
☐ Good Faith Estimate received before service
☐ Medical records excerpt
☐ Prior authorization documentation
☐ Correspondence with provider
☐ Payment receipts
☐ Price comparison/fair market value research
☐ Photos/evidence (if applicable)
☐ Other: ______________________________________________

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Section 5: Requests and Demands

Immediate Requests

I hereby request that you provide the following within 30 days of receipt of this letter:

Billing Documentation:
☐ Complete itemized statement showing all charges with CPT/HCPCS codes
☐ Medical records supporting each billed service
☐ Operative report (if surgical procedure)
☐ Physician orders for each service
☐ Documentation of time-based services

Insurance Information:
☐ Proof of insurance claim submission
☐ All EOBs/remittance advice received
☐ Denial letters (if claim denied)
☐ Appeals filed on my behalf

Pricing Information:
☐ Chargemaster rates for disputed services
☐ Hospital's financial assistance policy
☐ Information about payment plan options
☐ Contracted rates with my insurance (if applicable)

Demands

1. Correct the billing errors identified in this letter

2. Adjust my account to reflect the accurate amount owed

3. Cease collection activity on disputed charges during investigation

4. Do not report this account as delinquent to credit bureaus during dispute

5. Provide written response within 30 days addressing each disputed charge

6. Refund any overpayment if corrections result in credit balance

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Section 6: Legal Notice

Consumer Protection Rights

Please be advised that I am aware of and intend to exercise my rights under the following laws:

Fair Debt Collection Practices Act (15 U.S.C. § 1692):
If this account is referred to a collection agency, I will exercise my right to request debt validation within 30 days. Collection activity must cease until validation is provided.

Fair Credit Reporting Act (15 U.S.C. § 1681):
Reporting disputed charges as delinquent without noting the dispute may violate FCRA requirements. I will monitor my credit reports and dispute any inaccurate reporting.

No Surprises Act (if applicable):
If this bill exceeds my Good Faith Estimate by $400 or more, I may initiate the patient-provider dispute resolution process through CMS.

State Consumer Protection Laws:
I reserve all rights under [State] consumer protection and unfair business practices statutes.

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Section 7: Payment Status

Regarding payment during this dispute:

☐ I am withholding payment on the entire bill pending resolution

☐ I am paying the undisputed portion of $ __________ with this letter
(Check enclosed / Payment confirmation: __________________)

☐ I am continuing to make agreed-upon payments of $ __________ per month

☐ I request a payment plan for the undisputed balance

☐ I request review for financial assistance/charity care

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Section 8: Contact Information

Please direct all responses to:

Field	Information
Name	______________________________________________
Mailing Address	______________________________________________
City, State, ZIP	______________________________________________
Telephone	______________________________________________
Email	______________________________________________
Best Time to Contact	______________________________________________

If I am represented by an attorney:

Field	Information
Attorney Name	______________________________________________
Firm Name	______________________________________________
Address	______________________________________________
Telephone	______________________________________________
Bar Number	______________________________________________

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Section 9: Response Deadline

I expect a written response to this dispute within 30 days of receipt. If I do not receive a satisfactory response, I reserve the right to:

• File complaints with the state Attorney General
• File complaints with the state Department of Health
• File complaints with the state Insurance Commissioner
• Pursue the CMS No Surprises Act dispute process
• Seek legal remedies available under state and federal law
• Report your practices to consumer protection agencies

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Signature

I certify that the information provided in this letter is true and accurate to the best of my knowledge.

Signature: ______________________________________________

Printed Name: ______________________________________________

Date: ______________________________________________

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Tracking Information

Field	Information
Date Letter Sent	______________________________________________
Certified Mail Number	______________________________________________
Date Delivery Confirmed	______________________________________________
30-Day Response Deadline	______________________________________________

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Follow-Up Log

Date	Contact Method	Person Spoken With	Summary	Next Steps
_____	_____________	_________________	_______	___________
_____	_____________	_________________	_______	___________
_____	_____________	_________________	_______	___________

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Resources

• CFPB Medical Debt Information: https://www.consumerfinance.gov/consumer-tools/medical-debt/
• CMS No Surprises Act: https://www.cms.gov/nosurprises
• FTC Fair Debt Collection: https://www.consumer.ftc.gov/articles/debt-collection-faqs
• State Attorney General: [State-specific consumer protection link]

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This template is provided for informational purposes only and does not constitute legal advice. Consult with a consumer protection attorney for specific legal guidance.