Eeg during surgery at Arroyo Grande Hospital

1400 E Church St, Santa Maria, CA · CommonSpirit Health · · NPI 1760510937

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

$65.49

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.

$153.00

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.

$76.50 with Western Growers vs $7,044.00 with United — 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
Western Growers Commercial|All Plans $76.50 ↑ +17%
Kaiser Commercial|All Plans $96.39 ↑ +47%
Partnership Health Plan Medicaid|> 21 $127.56 ↑ +95%
Partnership Health Plan Medicaid|< 21 $127.56 ↑ +95%
First Health Commercial|All Plans $128.52 ↑ +96%
United Commercial|Non-Options PPO $134.64 ↑ +106%
Healthsmart Commercial|All Plans $140.76 ↑ +115%
MultiPlan Commercial|All Plans $149.94 ↑ +129%
CenCal Medicaid|> 21 $153.00 ↑ +134%
CenCal Medicaid|< 21 $153.00 ↑ +134%
Health Net Medicaid|> 21 $156.90 ↑ +140%
Health Net Medicaid|< 21 $156.90 ↑ +140%
United Commercial|HMO $6,732.00 ↑ +10179%
United Commercial|All Other Plans $6,840.00 ↑ +10344%
United Commercial|Options PPO $7,044.00 ↑ +10656%

Visitor-reported prices

visitor-reported
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Eeg during surgery at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $214.62 $132.30 – $382.20
French Hospital San Luis Obispo $54.88 $37.80 – $140.00
Mercy Hospitals – Bakersfield Bakersfield $324.26 $127.56 – $699.20
Bakersfield Memorial Hospital Bakersfield $320.76 $127.56 – $874.00
St. Joseph's Medical Center Stockton Stockton $254.31 $127.56 – $709.30
Mercy Medical Center Mt. Shasta Mt Shasta $1,212.13 $216.85 – $1,526.84
Mercy Medical Center Merced Merced $428.48 $127.56 – $832.00
Providence Cedars-Sinai Tarzana Medical Center Tarzana $399.70 $178.23 – $178.23

All California hospitals for this procedure →