Analysis gene f2 20210g>a variant 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

$109.38

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.

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

$164.23

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.

$21.66 with BCBS - Anthem vs $40.00 with Blue Shield CA — 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 Commercial|Exchange $21.66 ↓ -80%
United Commercial|Select $23.27 ↓ -79%
Blue Shield CA Commercial|Exchange $25.60 ↓ -77%
Blue Shield CA Commercial|PPO $25.60 ↓ -77%
Blue Shield CA Commercial|HMO $25.60 ↓ -77%
United Commercial|Choice $26.70 ↓ -76%
BCBS - Anthem Commercial|All Other Plans $27.76 ↓ -75%
Health Net Commercial|All Plans $29.88 ↓ -73%
First Health Commercial|All Plans $30.00 ↓ -73%
United Commercial|HMO $31.37 ↓ -71%
Aetna Commercial|HMO $32.68 ↓ -70%
Aetna Commercial|PPO $32.68 ↓ -70%
Aetna Commercial|All Other Plans $32.68 ↓ -70%
Kaiser Commercial|All Plans $34.00 ↓ -69%
Cigna Commercial|All Other Plans $35.80 ↓ -67%
Cigna Commercial|PPO $35.80 ↓ -67%
Multiplan Commercial|All Plans $39.20 ↓ -64%
Scan Health Plan Medicare|All Plans $40.00 ↓ -63%
Care 1st Medicare|All Plans $40.00 ↓ -63%
Humana Medicare|All Plans $40.00 ↓ -63%
Aetna Medicare|All Plans $40.00 ↓ -63%
United Medicare|All Plans $40.00 ↓ -63%
Health Net Medicare|All Plans $40.00 ↓ -63%
Kaiser Medicare|All Plans $40.00 ↓ -63%
BCBS - Anthem Medicare|All Plans $40.00 ↓ -63%
Blue Shield CA Medicare|All Plans $40.00 ↓ -63%

Visitor-reported prices

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Analysis gene f2 20210g>a variant at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $17.52 $10.80 – $174.30
Banner Lassen Medical Center Susanville $17.95 $13.12 – $31.04
Petaluma Valley Hospital Petaluma $83.00 $64.38 – $247.31
Arroyo Grande Hospital Santa Maria $210.26 $7.62 – $169.26
French Hospital San Luis Obispo $192.57 $4.12 – $198.98
Mercy Hospitals – Bakersfield Bakersfield $14.84 $20.00 – $188.78
Bakersfield Memorial Hospital Bakersfield $14.68 $20.00 – $188.78
Queen of The Valley Medical Center Napa $83.00 $65.69 – $312.53

All California hospitals for this procedure →