Injection, siltuximab at Providence Cedars-Sinai Tarzana Medical Center

18321 Clark St, Tarzana, CA · Providence · · NPI 1821250762

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.

Full explanation →

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.

Full explanation →

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

$162.32 with Blue Shield vs $372.52 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
Blue Shield Medicare Managed Care Plan $162.32
Aetna Medicare Managed Care Plan $174.08
Humana Choicecare Medicare Managed Care Plan $177.56
Blue Shield Tandem Ppo/Blue High Performance Ppo/Epo $181.41
Blue Shield Hmo/Ppo/Epo $181.41
Blue Shield Epn/Ifp Benefit Exchange $181.41
Central Health Plan Medicare Managed Care Plan $191.48
Blue Cross Anthem Vivity City Of La Other Commercial Plan $221.23
La Care Health Plan Exchange $226.30
Blue Cross Anthem Vivity Non City Of La Other Commercial Plan $249.13
Blue Cross All Commercial Plans $318.31
Healthnet Ambetter Hmo $322.04
Cigna Ppo $325.11
Cigna Oap Hmo/Pos $325.11
Aetna All Commercial Plans $326.73
Unitedhealthcare Select/Navigate Hmo $351.25
Unitedhealthcare All Commercial Plans $351.25
Healthnet Ambetter Ppo $372.52

Visitor-reported prices

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Injection, siltuximab at other California hospitals

Hospital City Cash price Negotiated range
Bakersfield Memorial Hospital Bakersfield $9,300.52 $182.34 – $5,005.44
Petaluma Valley Hospital Petaluma not published $114.20 – $351.25
Queen of The Valley Medical Center Napa not published $123.62 – $351.25
Providence St Joseph Hospital Eureka Eureka not published $147.45 – $351.25
Healdsburg Hospital Healdsburg not published $162.32 – $311.94
Redwood Memorial Hospital Fortuna not published $147.82 – $323.91
Santa Rosa Memorial Hospital Santa Rosa not published $122.78 – $351.25
Providence Mission Hospital - Mission Viejo Mission Viejo not published $147.96 – $351.25

All California hospitals for this procedure →