Why Doesn't My Medical Bill Match My EOB? 7 Real Reasons
The 7 most common reasons a provider bill and an insurance EOB disagree — from balance billing to simple timing issues — and what to actually do about each one.

Practical, plain-English guides on medical bills, EOBs, and how to actually dispute a charge — written to answer the exact questions people search for when a bill doesn't add up.
The 7 most common reasons a provider bill and an insurance EOB disagree — from balance billing to simple timing issues — and what to actually do about each one.
A field-by-field walkthrough of every number on an EOB — billed amount, allowed amount, patient responsibility — in plain English.
Who qualifies for a federal Good Faith Estimate dispute, how the $400 threshold is actually calculated, and how to file.
A calm, ordered 7-step plan for what to actually do when a bill and an EOB disagree — before you pay anything.
A free, copyable dispute letter template, plus exactly what to include and what to leave out.
When a $0 EOB is normal, and when a bill afterward is worth questioning.
Why the timing gap between your EOB and your provider's bill is completely normal — and when to actually follow up.
Yes — insurance paying its share doesn't guarantee the remaining bill is accurate.
Exactly what to say to request an itemized statement instead of a summary bill.
A 5-step checklist tying together every EOBCheck resource before you send payment.
Skip the manual comparison — EOBCheck does it for you and drafts your letter automatically, free.
Check my bill — free