Electron microscopy diagnostic at St. Joseph's Medical Center Stockton

1800 N California St, Stockton, CA · CommonSpirit Health · · NPI 1528190931

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

$161.70

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.

$109.41 with Kaiser vs $2,260.30 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
Kaiser Commercial|All Other Plans $109.41 ↓ -32%
Kaiser Commercial|Affiliated Payers $109.41 ↓ -32%
Sutter UMR Commercial|All Plans $234.45 ↑ +45%
Healthsmart Commercial|All Plans $312.60 ↑ +93%
BCBS - Anthem Commercial|Exchange $326.27 ↑ +102%
BCBS - Anthem Medicaid|> 21 $340.97 ↑ +111%
Kaiser Medicaid|< 21 $340.97 ↑ +111%
Kaiser Medicaid|> 21 $340.97 ↑ +111%
Health Plan of San Joaquin Medicaid|All Plans $340.97 ↑ +111%
HPSJ Medicaid|> 21 $340.97 ↑ +111%
BCBS - Anthem Medicaid|< 21 $340.97 ↑ +111%
First Health Commercial|All Plans $375.12 ↑ +132%
MultiPlan Commercial|All Plans $427.22 ↑ +164%
Medcore Commercial|Without ER $442.85 ↑ +174%
BCBS - Anthem Commercial|Non-MCS $447.20 ↑ +177%
Alignment Health Medicare|All Plans $468.90 ↑ +190%
Kaiser Medicare|All Plans $521.00 ↑ +222%
Aetna Commercial|All Other Plans $521.00 ↑ +222%
Aetna Commercial|PPO $521.00 ↑ +222%
Aetna Medicare|All Plans $521.00 ↑ +222%
Aetna Commercial|HMO $521.00 ↑ +222%
Molina Medicare|All Plans $521.00 ↑ +222%
United Commercial|All Other Plans $521.00 ↑ +222%
United Commercial|HMO $521.00 ↑ +222%
United Commercial|Options PPO $521.00 ↑ +222%
United Commercial|Non-Options PPO $521.00 ↑ +222%
Health Net Medicaid|All Plans $521.00 ↑ +222%
Cigna Medicare|All Plans $521.00 ↑ +222%
Humana Medicare|All Plans $521.00 ↑ +222%
BCBS - Anthem Medicare|All Plans $521.00 ↑ +222%
BCBS - Anthem Commercial|MCS $521.00 ↑ +222%
Scan Health Plan Medicare|All Plans $521.00 ↑ +222%
Hill Physicians Commercial|All Plans $521.00 ↑ +222%
Medcore Commercial|With ER $521.00 ↑ +222%
United Medicare|All Plans $1,159.02 ↑ +617%
Blue Shield CA Medicare|All Plans $1,159.02 ↑ +617%
Cigna Commercial|All Other Plans $2,260.30 ↑ +1298%
Cigna Commercial|PPO $2,260.30 ↑ +1298%

Visitor-reported prices

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Electron microscopy diagnostic at other California hospitals

Hospital City Cash price Negotiated range
St. Joseph's Behavioral Health Center Stockton $314.05 $52.10 – $416.80
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 →