Americans lose an estimated $88 billion per year to medical billing errors.
Source: industry and consumer advocacy reports
How it works
Three steps from bill to letter
From your bill to a ready-to-send dispute letter.
Enter your bill
Add your provider, dates, amounts, and line items. We guide you through each field so nothing is missed.
AI analyzes & drafts
Our system generates a professional, legally-informed letter tailored to your bill and situation.
Get your letters
Download your letter as a PDF. Send it by certified mail or email. We include next steps and follow-up tips.
Letter types
We generate the right letter for your situation
Each letter is tailored to your bill and state.
Itemized request
Formally request a line-by-line breakdown under HIPAA.
Dispute letter
Challenge errors, upcoding, and duplicate charges.
Hardship letter
Request financial assistance and payment plans.
Charity care
Apply for hospital charity care and FAP programs.
Insurance appeal
Appeal denied claims with medical necessity arguments.
Pricing
Simple pricing
One simple subscription. Monthly or annual. Generate dispute letters when you need them.
Monthly
$7.99/month
Billed monthly
- AI-generated dispute letters
- PDF downloads
- All letter types
- Cancel anytime
Annual
$69.96/yr
Save 27% — only $5.83/mo
- Everything in Monthly
- 12 months for the price of ~9
- Best value
- Billed yearly
DISCLAIMER: BillFix is an educational tool that generates template letters based on publicly available consumer rights information. This is NOT legal advice. BillFix is not a law firm and does not provide legal representation. Generated letters are templates that should be reviewed before sending. Results are not guaranteed. Consult a licensed attorney for legal advice specific to your situation.
Impact
Real impact
Medical bill negotiation and dispute letters work when done right.
50%
of patients who dispute see a reduction (KFF)
80%
of medical bills may contain errors (NerdWallet)
$88B
estimated lost to billing errors annually (industry reports)
FAQ
Frequently asked questions
DISCLAIMER: BillFix is an educational tool that generates template letters based on publicly available consumer rights information. This is NOT legal advice. BillFix is not a law firm and does not provide legal representation. Generated letters are templates that should be reviewed before sending. Results are not guaranteed. Consult a licensed attorney for legal advice specific to your situation.