Electron microscopy diagnostic at St. Joseph's Behavioral Health Center

2510 N California St, Stockton, CA · CommonSpirit Health · · NPI 1053443473

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

$314.05

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.

$550.00

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.

$52.10 with DHR vs $521.00 with Kaiser — 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
DHR Medicaid|All Plans $52.10 ↓ -83%
DHR Commercial|All Plans $145.88 ↓ -54%
BCBS - Anthem Commercial|Exchange $230.02 ↓ -27%
Kaiser Commercial|All Plans $260.50 ↓ -17%
Aetna Commercial|PPO $276.13 ↓ -12%
Aetna Commercial|HMO $276.13 ↓ -12%
Aetna Commercial|All Other Plans $276.13 ↓ -12%
BCBS - Anthem Commercial|Non-MCS $310.97 ↓ -1%
Magellan Commercial|All Plans $312.60 ↓ -0%
First Health Commercial|All Plans $375.12 ↑ +19%
Healthsmart Commercial|All Plans $380.33 ↑ +21%
MultiPlan Commercial|All Plans $401.17 ↑ +28%
Cigna Commercial|All Other Plans $416.80 ↑ +33%
Cigna Commercial|PPO $416.80 ↑ +33%
BCBS - Anthem Medicare|All Plans $521.00 ↑ +66%
Kaiser Medicare|All Plans $521.00 ↑ +66%

Visitor-reported prices

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Electron microscopy diagnostic at other California hospitals

Hospital City Cash price Negotiated range
St. Joseph's Medical Center Stockton Stockton $161.70 $109.41 – $521.00
St. John's Camarillo Hospital Camarillo $83.66 $51.57 – $1,023.81
Banner Lassen Medical Center Susanville $295.40 $163.38 – $679.00
Petaluma Valley Hospital Petaluma $1,200.54 $271.27 – $1,256.40
Arroyo Grande Hospital Santa Maria $629.34 $21.00 – $994.21
Mark Twain Medical Center San Andreas $458.21 $177.99 – $674.24
French Hospital San Luis Obispo $576.40 $11.34 – $1,168.77
Mercy Hospitals – Bakersfield Bakersfield $204.05 $260.50 – $1,108.83

All California hospitals for this procedure →