Dilate biliary duct/ampulla 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

$751.14

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.

$1,755.00

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.

$469.47 with Partnership Health Plan vs $9,965.00 with Blue Shield CA — 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
Partnership Health Plan Medicaid|> 21 $469.47 ↓ -37%
Partnership Health Plan Medicaid|< 21 $469.47 ↓ -37%
CenCal Medicaid|> 21 $469.47 ↓ -37%
CenCal Medicaid|< 21 $469.47 ↓ -37%
Health Net Medicaid|< 21 $710.26 ↓ -5%
Health Net Medicaid|> 21 $710.26 ↓ -5%
Western Growers Commercial|All Plans $965.25 ↑ +29%
Kaiser Commercial|All Plans $1,105.65 ↑ +47%
First Health Commercial|All Plans $1,474.20 ↑ +96%
United Commercial|Non-Options PPO $1,544.40 ↑ +106%
United Commercial|All Other Plans $1,561.95 ↑ +108%
Healthsmart Commercial|All Plans $1,614.60 ↑ +115%
United Commercial|Options PPO $1,632.15 ↑ +117%
MultiPlan Commercial|All Plans $1,719.90 ↑ +129%
United Commercial|HMO $1,737.45 ↑ +131%
BCBS - Anthem Commercial|Non-MCS $5,343.00 ↑ +611%
Aetna Commercial|HMO $5,710.00 ↑ +660%
Aetna Commercial|PPO $5,710.00 ↑ +660%
Aetna Commercial|All Other Plans $5,710.00 ↑ +660%
Blue Shield CA Commercial|Exchange $6,861.00 ↑ +813%
BCBS - Anthem Commercial|MCS $7,160.00 ↑ +853%
Blue Shield CA Commercial|FFS $9,965.00 ↑ +1227%

Visitor-reported prices

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Dilate biliary duct/ampulla at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $731.90 $451.17 – $1,303.38
French Hospital San Luis Obispo $687.96 $469.47 – $1,719.90
Mercy Hospitals – Bakersfield Bakersfield $856.27 $469.47 – $2,054.12
Bakersfield Memorial Hospital Bakersfield $847.04 $469.47 – $2,284.92
St. Joseph's Medical Center Stockton Stockton $645.33 $460.95 – $1,843.80
Providence Mission Hospital - Mission Viejo Mission Viejo $2,304.96 $1,200.00 – $7,908.00
Mercy Medical Center Merced Merced $1,156.69 $469.47 – $2,223.54
Dominican Hospital Santa Cruz $3,503.25 $469.47 – $7,006.50

All California hospitals for this procedure →