Electron microscopy diagnostic at Providence Saint John's Health Center

2121 Santa Monica Blvd, Santa Monica, CA · Providence · · NPI 1124026273

Source: hospital's published price file ↗ · Published Apr 1, 2026 · Ingested Sep 11, 2026

not published by hospital

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.

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What you pay up front if you don't use insurance.

not published by hospital

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.

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The hospital's undiscounted list price — almost no one pays this.

$213.07 with Blue Cross vs $2,217.55 with Healthnet — 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.

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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
Blue Cross All Commercial Plans $213.07
Blue Shield Epn/Ifp Benefit Exchange $405.26
Cigna All Commercial Plans $1,004.77
Aetna Medicare Managed Care Plan $1,036.24
Humana Choicecare Medicare Managed Care Plan $1,056.96
Blue Cross Anthem Vivity City Of La Other Commercial Plan $1,085.64
Central Health Plan Medicare Managed Care Plan $1,139.86
Blue Cross Anthem Vivity Non City Of La Other Commercial Plan $1,222.74
Unitedhealthcare Select/Navigate Hmo $1,256.40
Unitedhealthcare All Commercial Plans $1,256.40
Blue Shield Medicare Managed Care Plan $1,285.56
La Care Health Plan Covered Ca Exchange $1,347.11
Aetna All Commercial Plans $1,528.28
Blue Shield Tandem Ppo/Blue High Performance Ppo/Epo $1,563.12
Blue Shield Ppo/Epo $1,738.42
Blue Shield Hmo $1,738.42
Healthnet Ambetter Hmo $1,917.04
Healthnet Ambetter Ppo $2,217.55

Visitor-reported prices

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Electron microscopy diagnostic at other California hospitals

Hospital City Cash price Negotiated range
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
Bakersfield Memorial Hospital Bakersfield $201.85 $260.50 – $1,108.83

All California hospitals for this procedure →