Chromatography 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

$13.30

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.

$38.00

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.

$18.06 with Aetna vs $172.07 with Blue Shield — 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
Aetna Medicare Managed Care Plan $18.06 ↑ +36%
Humana Choicecare Medicare Managed Care Plan $18.42 ↑ +38%
Central Health Plan Medicare Managed Care Plan $19.87 ↑ +49%
La Care Health Plan Covered Ca Exchange $23.48 ↑ +77%
Blue Cross Anthem Vivity City Of La Other Commercial Plan $25.62 ↑ +93%
Blue Cross Anthem Vivity Non City Of La Other Commercial Plan $28.85 ↑ +117%
Healthnet Ambetter Hmo $33.41 ↑ +151%
Unitedhealthcare All Commercial Plans $36.12 ↑ +172%
Unitedhealthcare Select/Navigate Hmo $36.12 ↑ +172%
Healthnet Ambetter Ppo $38.65 ↑ +191%
Cigna All Commercial Plans $44.85 ↑ +237%
Aetna All Commercial Plans $52.47 ↑ +295%
Blue Shield Epn/Ifp Benefit Exchange $56.00 ↑ +321%
Blue Shield Tandem Ppo/Blue High Performance Ppo/Epo $111.77 ↑ +740%
Blue Cross All Commercial Plans $115.30 ↑ +767%
Blue Shield Ppo/Epo $124.13 ↑ +833%
Blue Shield Hmo $124.13 ↑ +833%
Blue Shield Medicare Managed Care Plan $172.07 ↑ +1194%

Visitor-reported prices

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Chromatography at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $11.10 $4.86 – $47.92
Banner Lassen Medical Center Susanville $13.77 $3.61 – $25.41
Petaluma Valley Hospital Petaluma $4.75 $17.70 – $146.79
Arroyo Grande Hospital Santa Maria $10.85 $9.00 – $46.54
Mark Twain Medical Center San Andreas $111.89 $9.75 – $18.00
French Hospital San Luis Obispo $9.94 $4.86 – $54.71
Mercy Hospitals – Bakersfield Bakersfield $9.41 $7.98 – $51.90
Bakersfield Memorial Hospital Bakersfield $9.30 $7.98 – $51.90

All California hospitals for this procedure →