Mayo hiser histoplasma antibodies immunodiffusion 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

$4.41

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.

$10.30

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.

$4.71 with Western Growers vs $35.52 with Cigna — 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 $4.71 ↑ +7%
Blue Shield CA Commercial|Exchange $5.94 ↑ +35%
Kaiser Commercial|All Plans $5.94 ↑ +35%
First Health Commercial|All Plans $7.92 ↑ +80%
Blue Shield CA Commercial|FFS $8.29 ↑ +88%
Healthsmart Commercial|All Plans $8.67 ↑ +97%
BCBS - Anthem Commercial|Non-MCS $9.14 ↑ +107%
MultiPlan Commercial|All Plans $9.24 ↑ +110%
United Commercial|Non-Options PPO $9.42 ↑ +114%
Humana Medicare|All Plans $9.42 ↑ +114%
Aetna Commercial|All Other Plans $9.42 ↑ +114%
Aetna Commercial|PPO $9.42 ↑ +114%
Aetna Medicare|All Plans $9.42 ↑ +114%
Aetna Commercial|HMO $9.42 ↑ +114%
United Commercial|All Other Plans $9.42 ↑ +114%
United Medicare|All Plans $9.42 ↑ +114%
United Commercial|Options PPO $9.42 ↑ +114%
CenCal Medicaid|> 21 $9.42 ↑ +114%
MHS Hospice Commercial|All Plans $9.42 ↑ +114%
Partnership Health Plan Medicaid|< 21 $9.42 ↑ +114%
Partnership Health Plan Medicaid|> 21 $9.42 ↑ +114%
Scan Health Plan Medicare|All Plans $9.42 ↑ +114%
Kaiser Medicare|All Plans $9.42 ↑ +114%
BCBS - Anthem Medicare|All Plans $9.42 ↑ +114%
BCBS - Anthem Commercial|MCS $9.42 ↑ +114%
Alignment Medicare|All Plans $9.42 ↑ +114%
CenCal Medicaid|< 21 $9.42 ↑ +114%
Health Net Medicaid|> 21 $11.59 ↑ +163%
Health Net Medicaid|< 21 $11.59 ↑ +163%
United Commercial|HMO $16.55 ↑ +275%
Cigna Commercial|PPO $35.52 ↑ +705%
Cigna Commercial|All Other Plans $35.52 ↑ +705%

Visitor-reported prices

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Mayo hiser histoplasma antibodies immunodiffusion at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $4.52 $2.63 – $36.57
Banner Lassen Medical Center Susanville $11.47 $2.76 – $18.33
Petaluma Valley Hospital Petaluma $13.65 $13.51 – $103.04
Mark Twain Medical Center San Andreas $45.05 $5.26 – $9.71
French Hospital San Luis Obispo $4.04 $2.55 – $41.75
Mercy Hospitals – Bakersfield Bakersfield $5.94 $4.71 – $39.61
Bakersfield Memorial Hospital Bakersfield $5.88 $4.71 – $39.61
Queen of The Valley Medical Center Napa $13.65 $13.79 – $130.22

All California hospitals for this procedure →