Pulse ox multiple 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

$1,152.18

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.

$1,730.00

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.

$428.41 with Scan Health Plan vs $1,622.88 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
Scan Health Plan Medicare|All Plans $428.41 ↓ -63%
Humana Medicare|All Plans $428.41 ↓ -63%
Aetna Medicare|All Plans $428.41 ↓ -63%
United Medicare|All Plans $428.41 ↓ -63%
Health Net Medicare|All Plans $428.41 ↓ -63%
Kaiser Medicare|All Plans $428.41 ↓ -63%
BCBS - Anthem Medicare|All Plans $428.41 ↓ -63%
Blue Shield CA Medicare|All Plans $428.41 ↓ -63%
Care 1st Medicare|All Plans $428.41 ↓ -63%
BCBS - Anthem Commercial|Exchange $896.40 ↓ -22%
United Commercial|Select $963.13 ↓ -16%
Blue Shield CA Commercial|HMO $1,059.84 ↓ -8%
Blue Shield CA Commercial|PPO $1,059.84 ↓ -8%
Blue Shield CA Commercial|Exchange $1,059.84 ↓ -8%
United Commercial|Choice $1,105.22 ↓ -4%
BCBS - Anthem Commercial|All Other Plans $1,149.27 ↓ -0%
Health Net Commercial|All Plans $1,237.04 ↑ +7%
First Health Commercial|All Plans $1,242.00 ↑ +8%
United Commercial|HMO $1,298.47 ↑ +13%
Aetna Commercial|All Other Plans $1,352.96 ↑ +17%
Aetna Commercial|PPO $1,352.96 ↑ +17%
Aetna Commercial|HMO $1,352.96 ↑ +17%
Kaiser Commercial|All Plans $1,407.60 ↑ +22%
Cigna Commercial|All Other Plans $1,482.12 ↑ +29%
Cigna Commercial|PPO $1,482.12 ↑ +29%
Multiplan Commercial|All Plans $1,622.88 ↑ +41%

Visitor-reported prices

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Pulse ox multiple at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $185.28 $6.69 – $329.94
Petaluma Valley Hospital Petaluma $499.80 $191.96 – $191.96
Arroyo Grande Hospital Santa Maria $253.38 $256.50 – $502.74
French Hospital San Luis Obispo $232.07 $123.12 – $446.88
Mercy Hospitals – Bakersfield Bakersfield $65.67 $88.50 – $141.60
Bakersfield Memorial Hospital Bakersfield $64.96 $88.50 – $175.23
Queen of The Valley Medical Center Napa $242.25 $242.60 – $242.60
Providence St Joseph Hospital Eureka Eureka $300.39 $275.11 – $275.11

All California hospitals for this procedure →