Lower Back (Lumbar Spine) CT scan (with contrast) at French Hospital

1911 Johnson Ave, San Luis Obispo, CA · CommonSpirit Health · · NPI 1881760452

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

$2,726.36

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.

$6,955.00

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.

$233.92 with BCBS - Anthem vs $1,793.00 with BCBS - Anthem — 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 $233.92 ↓ -91%
Partnership Health Plan Medicaid|< 21 $233.92 ↓ -91%
Partnership Health Plan Medicaid|> 21 $233.92 ↓ -91%
Molina Medicaid|< 21 $233.92 ↓ -91%
Molina Medicaid|> 21 $233.92 ↓ -91%
CenCal Medicaid|> 21 $240.05 ↓ -91%
CenCal Medicaid|< 21 $240.05 ↓ -91%
Health Net Medicaid|> 21 $287.72 ↓ -89%
Health Net Medicaid|< 21 $287.72 ↓ -89%
MHS Hospice Commercial|All Plans $446.12 ↓ -84%
Humana Commercial|All Plans $453.77 ↓ -83%
Humana Medicare|All Plans $453.77 ↓ -83%
Aetna Medicare|All Plans $453.77 ↓ -83%
United Medicare|All Plans $453.77 ↓ -83%
Health Net Medicare|All Plans $453.77 ↓ -83%
Kaiser Medicare|All Plans $453.77 ↓ -83%
BCBS - Anthem Medicare|All Plans $453.77 ↓ -83%
Alignment Medicare|All Plans $453.77 ↓ -83%
Blue Shield CA Medicare|All Plans $453.77 ↓ -83%
MHS HSPCC Commercial|All Plans $453.87 ↓ -83%
United Commercial|Non-Options PPO $828.27 ↓ -70%
United Commercial|All Other Plans $828.27 ↓ -70%
United Commercial|HMO $828.27 ↓ -70%
Western Growers Commercial|All Plans $840.50 ↓ -69%
Health Net Commercial|FFS $941.36 ↓ -65%
Kaiser Commercial|All Plans $1,042.22 ↓ -62%
Aetna Commercial|Gatekeeper $1,329.08 ↓ -51%
First Health Commercial|All Plans $1,428.85 ↓ -48%
Healthsmart Commercial|All Plans $1,428.85 ↓ -48%
MultiPlan Commercial|All Plans $1,647.38 ↓ -40%
Aetna Commercial|Non-Gatekeeper $1,681.00 ↓ -38%
BCBS - Anthem Commercial|MCS $1,756.00 ↓ -36%
Cigna Commercial|All Other Plans $1,768.00 ↓ -35%
Cigna Commercial|PPO $1,768.00 ↓ -35%
BCBS - Anthem Commercial|Non-MCS $1,793.00 ↓ -34%

Visitor-reported prices

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Lower Back (Lumbar Spine) CT scan (with contrast) at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $1,543.52 $353.90 – $2,748.72
Banner Lassen Medical Center Susanville $1,746.26 $71.43 – $2,976.93
Petaluma Valley Hospital Petaluma $6,076.14 $470.15 – $1,637.00
Arroyo Grande Hospital Santa Maria $3,402.18 $233.92 – $5,917.24
Mark Twain Medical Center San Andreas $5,641.02 $233.92 – $1,778.70
Mercy Hospitals – Bakersfield Bakersfield $3,536.75 $233.92 – $7,626.40
Bakersfield Memorial Hospital Bakersfield $3,498.62 $233.92 – $7,531.07
Queen of The Valley Medical Center Napa $6,166.41 $495.35 – $2,068.77

All California hospitals for this procedure →