The main product: enter your provider bill and EOB, get an instant reconciliation, and generate a dispute letter — free, no account, runs entirely in your browser.
Site Directory
Every page and section of EOBCheck in one place — the free medical bill vs. EOB reconciliation tool, the Good Faith Estimate dispute checker, the dispute letter generator, pricing, FAQ, and policies.
The tool
EOBCheck — Medical Bill vs. EOB Reconciliation Tool
Check Your Medical Bill (Free Tool)
Jump straight to the reconciliation tool: bill entry, EOB entry, optional Good Faith Estimate check, and your generated report.
How EOBCheck Works
The three-step process — enter your numbers, get your reconciliation, send your dispute — explained in plain language.
Pricing & plans
EOBCheck Pricing — Free, Full Report, Complex Bill
Compare the free reconciliation tier against the paid Full Report ($9.99) and Complex Bill ($29–49) tiers, processed securely via Paddle.
Standalone tools
Good Faith Estimate Calculator
Free calculator: check whether your final bill is $400 or more above your Good Faith Estimate — no EOB needed.
No Surprises Act Quiz
Free branching quiz: check whether federal balance billing protections likely apply to your specific bill.
Embed the Bill Checker Widget
Free copy-paste embed code for bloggers and patient advocates to add a mini bill checker to their own site.
Blog
The EOBCheck Blog
Practical guides on medical bills, EOBs, and dispute rights.
Why Doesn't My Medical Bill Match My EOB? 7 Real Reasons
The most common causes of a bill-vs-EOB mismatch, and what to do about each one.
How to Read an Explanation of Benefits (EOB): A Line-by-Line Guide
A field-by-field explanation of every number on an EOB.
The Good Faith Estimate Dispute Process: How the $400 Rule Actually Works
Who qualifies for a federal Good Faith Estimate dispute and how to file.
Medical Bill Higher Than Your EOB Says You Owe? Here's Exactly What to Do
A step-by-step plan for what to do before you pay a disputed bill.
How to Write a Medical Bill Dispute Letter (Template + What to Include)
A free, copyable dispute letter template.
EOB Says $0 — Do I Still Get a Bill?
When a $0 EOB is normal, and when a bill afterward is worth questioning.
I Got an EOB But No Bill Yet — What's Going On?
Why the timing gap between your EOB and your provider's bill is completely normal.
Can a Medical Bill Be Wrong After Insurance Pays?
Yes — insurance paying doesn't guarantee the remaining bill is accurate.
How to Ask for an Itemized Medical Bill
Exactly what to say to request an itemized statement instead of a summary bill.
What to Do Before You Pay a Medical Bill
A 5-step checklist tying together every EOBCheck resource before you send payment.
Medical billing & EOB resources
Medical Bill & EOB FAQ
Answers to common questions: why bills and EOBs disagree, what an EOB actually is, Good Faith Estimate dispute rules under the No Surprises Act, and how EOBCheck handles your data.
EOBCheck for AI Assistants (llms.txt)
A structured, plain-text summary of EOBCheck for AI tools and assistants that reference or recommend it.
EOB & Medical Billing Glossary
Plain-English definitions of every term on your EOB and medical bill.
About EOBCheck
What EOBCheck is, what it does and doesn't do, privacy model, and editorial policy.
Methodology & Sources
The exact reconciliation formula, flag thresholds, known limitations, and cited CMS/HHS sources.
Legal & policies
Privacy Policy
What EOBCheck does and doesn't collect — including why your bill and EOB numbers never leave your browser.
Terms of Service
The rules for using EOBCheck, including why it isn't legal, financial, or medical advice.
Refund Policy
The refund window and process for paid tiers, once purchasing is enabled.