Guide 6 · 5 min

Understand a Medical Bill or EOB Before You Pay

Don't pay until the bill matches your EOB. AI only helps you read.

Step 1: Find both papers

New to this? Try the practice bill first.

Step 2: Cover private details

Step 3: Ask AI to line them up

Paste the prompt. Add the bill and the EOB after it, in one message. Then send.

Read this medical bill and this EOB. List the provider, dates of service, amount billed, insurance paid and what I owe. Quote the exact line for each figure. Flag anything that does not match. Do not give medical or legal advice. The papers:

Step 4: Check the bill against the EOB

Step 5: Call before you pay

WhoHow
Surprise out-of-network or ER bills (No Surprises Help Desk)1-800-985-3059
Original Medicare1-800-MEDICARE (1-800-633-4227)

Checked: medicare.gov (Medicare Summary Notice), cms.gov (Medical bill rights; Reading your EOB; ER surprise bill action plan), consumerfinance.gov (What should I do if I can't pay a medical bill?), Oct 16, 2026.

Practice bill and EOB

PRACTICE - NOT REAL. Made up for this guide. Do not call the numbers.

Slide the practice box sideways to see each full line.

==================== PRACTICE - NOT REAL ====================

BIRCHWOOD FAMILY CLINIC - PATIENT BILL
Billing office: (555) 010-6120   billing@birchwood-clinic.example
Patient: Pat Sample      Account: XXXX-0000
Date of service: 09/08/2026   Office visit, Dr. Lee    $250.00
Insurance payment                                     -$60.00
Adjustment                                            -$50.00
AMOUNT DUE BY 11/01/2026                              $140.00

------------------------------------------------------------

OAKLINE HEALTH PLAN - EXPLANATION OF BENEFITS
THIS IS NOT A BILL      Member services: (555) 010-6190
Member: Pat Sample      Member ID: XXXXXXXX
Provider: Birchwood Family Clinic
Date of service: 09/08/2026   Office visit
Provider charges $250.00   Allowed $200.00
Paid by plan $160.00       What you owe $40.00

==================== PRACTICE - NOT REAL ====================

How did you do? A good AI answer:

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