Bone Density Scan (DEXA) 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

$1,341.99

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.

$2,015.00

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.

$6.73 with Health Net vs $26.00 with Health Plan of San Joaquin — 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
Health Net Medicare|All Plans $6.73 ↓ -99%
BCBS - Anthem Medicare|All Plans $6.73 ↓ -99%
Blue Shield CA Medicare|All Plans $6.73 ↓ -99%
Kaiser Medicare|All Plans $6.73 ↓ -99%
Aetna Medicare|All Plans $6.73 ↓ -99%
Humana Medicare|All Plans $6.73 ↓ -99%
Care 1st Medicare|All Plans $6.73 ↓ -99%
Scan Health Plan Medicare|All Plans $6.73 ↓ -99%
United Medicare|All Plans $6.73 ↓ -99%
BCBS - Anthem Commercial|Exchange $14.08 ↓ -99%
United Commercial|Select $15.13 ↓ -99%
Blue Shield CA Commercial|Exchange $16.64 ↓ -99%
Blue Shield CA Commercial|PPO $16.64 ↓ -99%
Blue Shield CA Commercial|HMO $16.64 ↓ -99%
United Commercial|Choice $17.36 ↓ -99%
BCBS - Anthem Commercial|All Other Plans $18.05 ↓ -99%
Health Net Commercial|All Plans $19.43 ↓ -99%
First Health Commercial|All Plans $19.50 ↓ -99%
United Commercial|HMO $20.39 ↓ -98%
Aetna Commercial|PPO $21.25 ↓ -98%
Aetna Commercial|All Other Plans $21.25 ↓ -98%
Aetna Commercial|HMO $21.25 ↓ -98%
Kaiser Commercial|All Plans $22.10 ↓ -98%
Cigna Commercial|All Other Plans $23.27 ↓ -98%
Cigna Commercial|PPO $23.27 ↓ -98%
Multiplan Commercial|All Plans $25.48 ↓ -98%
BCBS - Anthem Medicaid|All Plans $26.00 ↓ -98%
Kaiser Medicaid|All Plans $26.00 ↓ -98%
Health Net Medicaid|All Plans $26.00 ↓ -98%
California Health & Wellness Medicaid|All Plans $26.00 ↓ -98%
Health Plan of San Joaquin Medicaid|All Plans $26.00 ↓ -98%

Visitor-reported prices

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Bone Density Scan (DEXA) at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $233.02 $51.84 – $527.07
Banner Lassen Medical Center Susanville $491.34 $21.27 – $726.53
Petaluma Valley Hospital Petaluma $503.88 $140.89 – $666.63
Arroyo Grande Hospital Santa Maria $469.09 $34.27 – $628.18
French Hospital San Luis Obispo $495.88 $34.27 – $601.70
Mercy Hospitals – Bakersfield Bakersfield $156.20 $34.27 – $570.84
Bakersfield Memorial Hospital Bakersfield $154.51 $34.27 – $570.84
Queen of The Valley Medical Center Napa $1,018.47 $148.44 – $842.45

All California hospitals for this procedure →