Mayo brcmg brucella antibody igm at Petaluma Valley Hospital

400 N Mcdowell Blvd, Petaluma, CA · Providence · · NPI 1235162645

Source: hospital's published price file ↗ · Published Apr 1, 2026 · Ingested Sep 11, 2026

$46.41

Cash price

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Discounted cash price

What a hospital charges a self-pay patient who pays directly, without going through insurance — usually well below the gross charge.

Example: A CT scan has a $3,200 gross charge but an $850 discounted cash price. Ask for it by name when scheduling — hospitals don't always advertise it up front.

Full explanation →

What you pay up front if you don't use insurance.

$91.00

Gross charge

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Gross charge (chargemaster price)

The hospital's full, undiscounted list price — pulled from its internal "chargemaster" price list. Almost no one actually pays this.

Example: A chest X-ray has a gross charge of $1,450. The same hospital's discounted cash price for the same X-ray is $180 — the gross charge mostly anchors negotiations, not what patients pay.

Full explanation →

The hospital's undiscounted list price — almost no one pays this.

$8.75 with Healthnet vs $94.64 with Blue Cross — same scan, same building. Share

Negotiated rates by payer
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Negotiated rate

The price a specific insurance plan agreed to pay the hospital for a service — it varies by insurer, and even by plan within the same insurer.

Example: The same knee MRI has a negotiated rate of $904 with one insurer's PPO plan and $1,509 with another's — identical hospital, identical scan.

Full explanation →

Payer
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Payer

The insurance company footing the bill — Aetna, UnitedHealthcare, Medicare, and so on.

Example: "Blue Cross Blue Shield" is the payer. Its negotiated rate for an MRI might be $904, while a different payer's negotiated rate for the same scan is $1,509.

Full explanation →
Plan
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Plan

The specific product an insurer sells — e.g. "Blue Cross PPO 500" — which sets your deductible, coinsurance and negotiated rates.

Example: Two people both insured by Aetna can owe very different amounts for the same MRI: $50 with an HMO plan's flat copay, or the full $1,200 toward a high-deductible PPO plan's unmet deductible.

Full explanation →
Negotiated rate vs. cash
Healthnet Medicare Managed Care Plan $8.75 ↓ -81%
Aetna Medicare Managed Care Plan $8.93 ↓ -81%
Unitedhealthcare All Commercial Plans $17.86 ↓ -62%
Unitedhealthcare Select/Navigate Hmo $17.86 ↓ -62%
Aetna All Commercial Plans $60.82 ↑ +31%
Blue Cross Epo Exchange $65.84 ↑ +42%
Blue Cross Nonmcs All Commercial Plans $78.87 ↑ +70%
Blue Cross Mcs All Commercial Plans $94.64 ↑ +104%

Visitor-reported prices

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Mayo brcmg brucella antibody igm at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $5.43 $3.35 – $23.68
Banner Lassen Medical Center Susanville $10.19 $1.79 – $15.52
Arroyo Grande Hospital Santa Maria $5.30 $6.19 – $22.99
Mark Twain Medical Center San Andreas $8.25 $6.71 – $12.14
French Hospital San Luis Obispo $4.86 $3.35 – $27.03
Mercy Hospitals – Bakersfield Bakersfield $8.35 $6.19 – $25.64
Bakersfield Memorial Hospital Bakersfield $8.26 $6.19 – $25.64
Queen of The Valley Medical Center Napa $46.41 $8.93 – $83.20

All California hospitals for this procedure →