Myelography thoracic spine 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

$1,539.80

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.

$2,312.00

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.

$124.82 with BCBS - Anthem vs $621.32 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 $124.82 ↓ -92%
Kaiser Medicaid|All Plans $124.82 ↓ -92%
Health Net Medicaid|All Plans $124.82 ↓ -92%
California Health & Wellness Medicaid|All Plans $124.82 ↓ -92%
Health Plan of San Joaquin Medicaid|All Plans $124.82 ↓ -92%
Care 1st Medicare|All Plans $164.02 ↓ -89%
Humana Medicare|All Plans $164.02 ↓ -89%
Aetna Medicare|All Plans $164.02 ↓ -89%
United Medicare|All Plans $164.02 ↓ -89%
Health Net Medicare|All Plans $164.02 ↓ -89%
Kaiser Medicare|All Plans $164.02 ↓ -89%
BCBS - Anthem Medicare|All Plans $164.02 ↓ -89%
Blue Shield CA Medicare|All Plans $164.02 ↓ -89%
Scan Health Plan Medicare|All Plans $164.02 ↓ -89%
BCBS - Anthem Commercial|Exchange $389.15 ↓ -75%
United Commercial|Select $430.49 ↓ -72%
Blue Shield CA Commercial|Exchange $458.39 ↓ -70%
Blue Shield CA Commercial|PPO $458.39 ↓ -70%
Blue Shield CA Commercial|HMO $458.39 ↓ -70%
First Health Commercial|All Plans $475.50 ↓ -69%
United Commercial|Choice $493.26 ↓ -68%
BCBS - Anthem Commercial|All Other Plans $498.90 ↓ -68%
Health Net Commercial|All Plans $509.74 ↓ -67%
Aetna Commercial|All Other Plans $517.98 ↓ -66%
Aetna Commercial|HMO $517.98 ↓ -66%
Aetna Commercial|PPO $517.98 ↓ -66%
Kaiser Commercial|All Plans $538.90 ↓ -65%
Cigna Commercial|PPO $567.43 ↓ -63%
Cigna Commercial|All Other Plans $567.43 ↓ -63%
United Commercial|HMO $582.02 ↓ -62%
Multiplan Commercial|All Plans $621.32 ↓ -60%

Visitor-reported prices

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Myelography thoracic spine at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $759.93 $188.84 – $3,463.45
Arroyo Grande Hospital Santa Maria $2,938.65 $124.82 – $6,408.22
French Hospital San Luis Obispo $2,344.95 $124.82 – $3,953.87
Mercy Hospitals – Bakersfield Bakersfield $1,362.69 $124.82 – $3,751.09
Bakersfield Memorial Hospital Bakersfield $1,348.00 $124.82 – $3,751.09
St. Joseph's Medical Center Stockton Stockton $1,255.68 $124.82 – $1,036.00
Mercy Medical Center Merced Merced $1,794.78 $124.82 – $873.40
Dominican Hospital Santa Cruz $772.20 $124.82 – $11,688.52

All California hospitals for this procedure →