Infectious agent nucleic acid amplified probe methicillin resistant staphylococcus aureus at Mark Twain Medical Center

768 Mountain Ranch Rd, San Andreas, CA · CommonSpirit Health · · NPI 1508968819

Source: hospital's published price file ↗ · Published Feb 28, 2026 · Ingested Sep 10, 2026

$335.00

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.

$503.00

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.

$30.88 with BCBS - Anthem vs $85.98 with Multiplan — 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
BCBS - Anthem Medicaid|All Plans $30.88 ↓ -91%
Kaiser Medicaid|All Plans $30.88 ↓ -91%
Health Net Medicaid|All Plans $30.88 ↓ -91%
California Health & Wellness Medicaid|All Plans $30.88 ↓ -91%
Health Plan of San Joaquin Medicaid|All Plans $30.88 ↓ -91%
Care 1st Medicare|All Plans $35.09 ↓ -90%
Humana Medicare|All Plans $35.09 ↓ -90%
Aetna Medicare|All Plans $35.09 ↓ -90%
United Medicare|All Plans $35.09 ↓ -90%
Health Net Medicare|All Plans $35.09 ↓ -90%
Kaiser Medicare|All Plans $35.09 ↓ -90%
BCBS - Anthem Medicare|All Plans $35.09 ↓ -90%
Blue Shield CA Medicare|All Plans $35.09 ↓ -90%
Scan Health Plan Medicare|All Plans $35.09 ↓ -90%
BCBS - Anthem Commercial|Exchange $47.49 ↓ -86%
United Commercial|Select $51.03 ↓ -85%
Blue Shield CA Commercial|HMO $56.15 ↓ -83%
Blue Shield CA Commercial|PPO $56.15 ↓ -83%
Blue Shield CA Commercial|Exchange $56.15 ↓ -83%
United Commercial|Choice $58.56 ↓ -83%
BCBS - Anthem Commercial|All Other Plans $60.89 ↓ -82%
Health Net Commercial|All Plans $65.54 ↓ -80%
First Health Commercial|All Plans $65.80 ↓ -80%
United Commercial|HMO $68.79 ↓ -79%
Aetna Commercial|All Other Plans $71.68 ↓ -79%
Aetna Commercial|HMO $71.68 ↓ -79%
Aetna Commercial|PPO $71.68 ↓ -79%
Kaiser Commercial|All Plans $74.58 ↓ -78%
Cigna Commercial|PPO $78.52 ↓ -77%
Cigna Commercial|All Other Plans $78.52 ↓ -77%
Multiplan Commercial|All Plans $85.98 ↓ -74%

Visitor-reported prices

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Infectious agent nucleic acid amplified probe methicillin resistant staphylococcus aureus at other California hospitals

Hospital City Cash price Negotiated range
Banner Lassen Medical Center Susanville $25.11 $7.02 – $50.95
Petaluma Valley Hospital Petaluma $311.61 $34.39 – $280.28
Arroyo Grande Hospital Santa Maria $78.33 $28.07 – $107.80
French Hospital San Luis Obispo $71.74 $28.07 – $118.58
Mercy Hospitals – Bakersfield Bakersfield $64.93 $23.00 – $100.84
Bakersfield Memorial Hospital Bakersfield $64.23 $23.00 – $100.84
Queen of The Valley Medical Center Napa $536.52 $35.09 – $354.21
Providence St Joseph Hospital Eureka Eureka $608.94 $35.09 – $401.67

All California hospitals for this procedure →