✓ Free · No email · No phone · No signup · We never sell or share your data
You are analyzing a medical bill. Look up a procedure price →Multiple bills? Compare →
Loading analyzer...

Analyze quotes for other services

Roofing HVAC Plumbing Electrical Solar Windows Painting Siding Fencing Concrete Auto Repair Medical Bills Legal Fees Moving
For Claude, Cursor & ChatGPT users

Run this in your AI assistant

If you already use Claude Desktop, Cursor, or another MCP-compatible assistant, install the Woogoro Medical Bill MCP. Your assistant becomes a bill auditor: paste the bill into chat, get the same flywheel-calibrated price check this page produces — plus a dispute letter and a phone-negotiation script, all in one conversation.

  • 5 tools: parse bill, check errors, look up fair price, draft dispute letter, generate phone script
  • Compares to 146 Medicare codes (state-adjusted) + flags No Surprises Act violations
  • Cites 42 USC 300gg-111, NCCI bundling rules, ACA preventive-care framework
  • Free. No API key. No account. Hosted at $0/mo.
Or paste this into Claude Desktop config

Add to %APPDATA%\Claude\claude_desktop_config.json on Windows or ~/Library/Application Support/Claude/claude_desktop_config.json on Mac, then restart Claude Desktop.

{
  "mcpServers": {
    "woogoro-medical": {
      "url": "https://mcp.woogoro.com/mcp"
    }
  }
}

Then in Claude: "Use the woogoro-medical MCP to audit this bill: [paste]"

What to look for on a medical bill

Medical bills are designed to be opaque. Billing codes, "charges" vs "allowed amounts" vs "patient responsibility," and balance billing make it nearly impossible to tell if a bill is fair. A proper analysis breaks down the chargemaster price, insurance-negotiated rate, and your actual obligation — because the three are very different numbers.

CPT/HCPCS procedure codes

5-digit codes (e.g., 99213, 45378) that identify each service. Each code has a standard fee schedule. Unbundled codes for services that should be bundled is a common error.

DRG (hospital diagnosis code)

Inpatient admissions paid by DRG (diagnosis-related group), not itemized charges. Verify DRG matches discharge paperwork.

Charged amount

The "chargemaster" price, usually 2–10x what insurance pays. Rarely what anyone actually owes if insured.

Allowed amount (insurance-negotiated)

The contractually negotiated rate between insurance and provider. This is the actual price of the service.

Insurance paid

What insurance contributed. Depends on deductible, copay, coinsurance, and plan benefits.

Patient responsibility

What you actually owe — should equal allowed amount minus insurance paid (after deductible/coinsurance math). Commonly wrong.

EOB (Explanation of Benefits)

Sent by insurance, not provider. The authoritative version of what insurance covered — always cross-reference against the bill.

Diagnosis codes (ICD-10)

Why you were seen. Wrong diagnosis can cause denied claims. E-codes for accidents may trigger subrogation.

Modifiers

Codes that adjust base CPT pricing. Modifier 22 (unusual procedure), 26 (professional component), 59 (distinct service), and others. Fraudulent modifier use inflates bills.

Provider NPI

National Provider Identifier. Cross-reference with insurance network status — out-of-network triggers balance billing.

Place of service code

Where service was performed (11 = office, 21 = inpatient, 22 = outpatient hospital, 23 = ER). Higher codes allow higher billing.

Red flags in a medical bill

Balance billing from in-network hospital

The No Surprises Act (2022+) protects against balance billing from ancillary providers at in-network hospitals. If balance-billed, dispute with insurance.

Duplicate charges

Same CPT code billed twice (same date, same provider) without separate documentation. Common in ER and surgical billing.

Unbundling

Billing separate codes for services that should be bundled under one CPT. E.g., billing separately for "surgical incision" + "procedure" + "wound closure" instead of one procedure code.

Upcoding

Billing a higher-complexity code than the service justified. E.g., 99214 (moderate complexity office visit) when service was 99213 (low complexity). 15–30% higher payment.

Phantom charges

Items on bill for services not rendered. Common: supplies, lab tests, or equipment patient didn't receive.

Facility fee + professional fee duplication

Some procedures legitimately bill both facility (hospital) + professional (doctor) fees. But check that they're not double-billing for the same component.

Out-of-network without disclosure

Was a specialist who saw you at an in-network hospital actually in-network? If not, the hospital should have disclosed in writing. No Surprises Act provides protections.

No itemized bill provided

You have the right to an itemized bill under HIPAA. If only summary is provided, request itemized in writing.

Common hidden costs and change orders

These items are often missing from the initial medical bill and show up later as change orders or surprise fees. Ask about each before signing.

  • Facility fees in hospital-owned clinics ($100–$500)
  • Radiology read fees (separate from X-ray itself)
  • Anesthesia billed separately from surgery
  • Pathology fees for biopsy or surgical specimen
  • Out-of-network ambulance transport
  • Observation status vs inpatient admission (huge cost difference)
  • Drugs dispensed during visit (pharmacy vs clinic billing)
  • Consultations added by specialists during hospitalization

Frequently asked questions about medical bills

What should be on a legitimate medical bill?
Itemized services with CPT/HCPCS codes, diagnosis codes (ICD-10), modifiers, place of service code, provider NPI, chargemaster amount, insurance allowed amount, insurance paid, your responsibility, and date of service. You're entitled to itemized billing under HIPAA.
How do I know if a medical bill is accurate?
Request itemized bill. Cross-reference against EOB from your insurance. Check for duplicate charges, unbundling, and upcoding. Verify procedure codes match your treatment records. Compare "allowed amount" to FAIR Health or Healthcare Bluebook benchmarks for your area.
What are red flags in a medical bill?
Balance billing from in-network hospital (No Surprises Act violation), duplicate charges, unbundled codes, upcoded visits, phantom charges, facility + professional fee duplication for same service, out-of-network services not disclosed, and no itemized bill provided.
How do I dispute a medical bill?
Step 1: Request itemized bill in writing. Step 2: Compare to EOB. Step 3: Request medical records for date of service. Step 4: Call provider billing (ask for supervisor). Step 5: Dispute with insurance if coverage issue. Step 6: File complaint with state insurance commissioner or CFPB for persistent errors.
Can I negotiate a medical bill?
Yes, often. Hospitals write off 20–60% of self-pay bills regularly. Charity care applies for under 400% of FPL in many hospitals. Payment plans are nearly always available interest-free. Never ignore the bill — it hurts credit after 120 days.