Free check · Private · No uploads
Hospital bills contain errors.
Find yours — free.
Duplicate charges. Upcoded visits. Surprise out-of-network fees. Prices far above published rates. Enter your itemized bill and see exactly what looks wrong — and roughly what it's worth.
Nothing stored
No uploads, no account needed. What you type stays in your browser.
Cites the actual rule
Every finding names the federal rule or coding edit behind it — no vague claims.
Deterministic checks
Transparent billing rules and public reference prices — not AI guesswork.
How it works
Enter your bill
Type in the line items from your itemized statement. Takes about two minutes.
See what’s wrong
Duplicates, upcoding, surprise billing, and charges above benchmark — in plain English, with the estimated dollar impact.
Send the letter
For $49, get a print-ready dispute packet: the letters, the citations, and exactly where to mail them.
Findings you can act on
Every finding tells you three things: what looks wrong, what it's costing you, and which rule to cite when you push back. Here's what a duplicate-charge finding looks like on a sample bill:
Try it on your billExample — sample bill
Duplicate charge: IV start / venipuncture$250.00
This bill charges the same IV insertion twice at the same price. Unless the record documents two separate insertions, the duplicate should be removed.
Basis: HIPAA right to itemized billing (45 CFR § 164.524)
Here's exactly what you get for $49
A print-ready packet — not just a summary. Every finding becomes a formally worded letter citing the specific federal rule, addressed to the billing department, ready to sign and mail.
- Dispute letter citing the exact rule for each finding
- Escalation letter for regulators, if they don’t respond in 30 days
- Evidence checklist and mailing instructions
Common questions
Is the check really free?+
Yes. The full error check and benchmark comparison are free, with no account and no card. You only pay if you want the dispute-letter packet.
Do you see my medical information?+
The free checker runs from what you type and nothing is stored on our servers. If you buy a packet we keep your email and purchase record — never your bill’s line items.
Is this legal advice?+
No. BillMender is a document-preparation and education tool. The letters cite federal rules and are yours to review, sign, and send — we’re not a law firm and don’t guarantee outcomes.
What this is — and isn't
- BillMender is a document-preparation and education tool. It is not a law firm and does not provide legal advice.
- Findings and estimated overcharges are generated from the information you enter and public reference pricing — not a guarantee of any refund, reduction, or outcome.
- We never invent billing codes. Every figure is derived only from what you entered.
- Letters are for you to review, sign, and send yourself. Results vary by hospital and insurer.