Complement fixation each 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

$22.69

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.

$53.00

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.

$10.01 with Alignment vs $53.00 with Aetna — 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
Alignment Medicare|All Plans $10.01 ↓ -56%
BCBS - Anthem Medicare|All Plans $10.01 ↓ -56%
MHS Hospice Commercial|All Plans $10.01 ↓ -56%
Aetna Medicare|All Plans $10.01 ↓ -56%
United Medicare|All Plans $10.01 ↓ -56%
Scan Health Plan Medicare|All Plans $10.01 ↓ -56%
Humana Medicare|All Plans $10.01 ↓ -56%
Kaiser Medicare|All Plans $10.01 ↓ -56%
CenCal Medicaid|< 21 $11.48 ↓ -49%
CenCal Medicaid|> 21 $11.48 ↓ -49%
United Commercial|Options PPO $12.01 ↓ -47%
United Commercial|All Other Plans $12.01 ↓ -47%
United Commercial|HMO $12.01 ↓ -47%
United Commercial|Non-Options PPO $12.01 ↓ -47%
Partnership Health Plan Medicaid|> 21 $12.77 ↓ -44%
Partnership Health Plan Medicaid|< 21 $12.77 ↓ -44%
Health Net Medicaid|> 21 $19.32 ↓ -15%
Health Net Medicaid|< 21 $19.32 ↓ -15%
Cigna Commercial|PPO $25.81 ↑ +14%
Cigna Commercial|All Other Plans $25.81 ↑ +14%
Western Growers Commercial|All Plans $26.50 ↑ +17%
Blue Shield CA Commercial|Exchange $33.39 ↑ +47%
Kaiser Commercial|All Plans $33.39 ↑ +47%
First Health Commercial|All Plans $44.52 ↑ +96%
Blue Shield CA Commercial|FFS $46.64 ↑ +106%
Healthsmart Commercial|All Plans $48.76 ↑ +115%
BCBS - Anthem Commercial|Non-MCS $51.41 ↑ +127%
MultiPlan Commercial|All Plans $51.94 ↑ +129%
Aetna Commercial|HMO $53.00 ↑ +134%
BCBS - Anthem Commercial|MCS $53.00 ↑ +134%
Aetna Commercial|PPO $53.00 ↑ +134%
Aetna Commercial|All Other Plans $53.00 ↑ +134%

Visitor-reported prices

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Complement fixation each at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $19.28 $10.01 – $34.32
Petaluma Valley Hospital Petaluma $4.59 $9.81 – $81.78
Mark Twain Medical Center San Andreas $27.98 $10.01 – $41.16
French Hospital San Luis Obispo $20.78 $10.01 – $51.94
Mercy Hospitals – Bakersfield Bakersfield $19.67 $8.13 – $28.78
Bakersfield Memorial Hospital Bakersfield $19.46 $8.13 – $28.78
Queen of The Valley Medical Center Napa $4.59 $10.01 – $103.34
Providence St Joseph Hospital Eureka Eureka $4.59 $10.01 – $117.19

All California hospitals for this procedure →