Pretreatment serum by diff red cell adsorption patient rbc/known phenotype each adsorption ref 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

$16.80

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.

$48.00

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.

$2.52 with Cigna vs $468.93 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.

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
Cigna All Commercial Plans $2.52 ↓ -85%
Blue Shield Medicare Managed Care Plan $39.16 ↑ +133%
Blue Shield Tandem Ppo/Blue High Performance Ppo/Epo $47.62 ↑ +183%
Blue Shield Hmo $52.96 ↑ +215%
Blue Shield Ppo/Epo $52.96 ↑ +215%
Aetna All Commercial Plans $59.05 ↑ +251%
Blue Cross All Commercial Plans $92.33 ↑ +450%
Blue Shield Epn/Ifp Benefit Exchange $116.07 ↑ +591%
Aetna Medicare Managed Care Plan $219.12 ↑ +1204%
Humana Choicecare Medicare Managed Care Plan $223.51 ↑ +1230%
Blue Cross Anthem Vivity City Of La Other Commercial Plan $229.57 ↑ +1266%
Central Health Plan Medicare Managed Care Plan $241.04 ↑ +1335%
Blue Cross Anthem Vivity Non City Of La Other Commercial Plan $258.56 ↑ +1439%
La Care Health Plan Covered Ca Exchange $284.86 ↑ +1596%
Unitedhealthcare All Commercial Plans $287.00 ↑ +1608%
Unitedhealthcare Select/Navigate Hmo $287.00 ↑ +1608%
Healthnet Ambetter Hmo $405.38 ↑ +2313%
Healthnet Ambetter Ppo $468.93 ↑ +2691%

Visitor-reported prices

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Pretreatment serum by diff red cell adsorption patient rbc/known phenotype each adsorption ref at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $89.23 $36.13 – $394.70
Banner Lassen Medical Center Susanville $103.19 $27.47 – $157.14
Arroyo Grande Hospital Santa Maria $91.55 $23.88 – $213.89
Mark Twain Medical Center San Andreas $69.93 $23.88 – $102.90
French Hospital San Luis Obispo $83.85 $23.88 – $213.89
St. Joseph's Medical Center Stockton Stockton $30.87 $22.05 – $105.00
Providence Mission Hospital - Mission Viejo Mission Viejo $48.00 $173.63 – $405.38
Mercy Medical Center Mt. Shasta Mt Shasta $158.48 $16.65 – $199.63

All California hospitals for this procedure →