Anti-thymocyte glob (equine)(1:1000) intradermal test dose 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

$18,191.43

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.

$51,975.50

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.

$944.59 with Blue Cross vs $11,325.80 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 Cross All Commercial Plans $944.59 ↓ -95%
Blue Shield Medicare Managed Care Plan $5,162.53 ↓ -72%
Aetna Medicare Managed Care Plan $5,292.43 ↓ -71%
Humana Choicecare Medicare Managed Care Plan $5,398.28 ↓ -70%
Blue Shield Tandem Ppo/Blue High Performance Ppo/Epo $5,769.89 ↓ -68%
Blue Shield Hmo/Ppo/Epo $5,769.89 ↓ -68%
Blue Shield Epn/Ifp Benefit Exchange $5,769.89 ↓ -68%
Central Health Plan Medicare Managed Care Plan $5,821.68 ↓ -68%
Blue Cross Anthem Vivity City Of La Other Commercial Plan $6,178.17 ↓ -66%
La Care Health Plan Exchange $6,880.16 ↓ -62%
Blue Cross Anthem Vivity Non City Of La Other Commercial Plan $6,957.41 ↓ -62%
Cigna Oap Hmo/Pos $8,708.82 ↓ -52%
Cigna Ppo $8,708.82 ↓ -52%
Aetna All Commercial Plans $8,752.58 ↓ -52%
Unitedhealthcare All Commercial Plans $9,409.02 ↓ -48%
Unitedhealthcare Select/Navigate Hmo $9,409.02 ↓ -48%
Healthnet Ambetter Hmo $9,791.00 ↓ -46%
Healthnet Ambetter Ppo $11,325.80 ↓ -38%

Visitor-reported prices

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Anti-thymocyte glob (equine)(1:1000) intradermal test dose at other California hospitals

Hospital City Cash price Negotiated range
Arroyo Grande Hospital Santa Maria $5,818.66 $600.42 – $13,595.00
French Hospital San Luis Obispo $5,329.24 $2,245.43 – $13,323.10
Mercy Hospitals – Bakersfield Bakersfield $3,865.08 $1,289.89 – $8,334.40
Bakersfield Memorial Hospital Bakersfield $3,823.41 $541.09 – $8,230.22
St. Joseph's Medical Center Stockton Stockton $2,501.06 $972.75 – $7,112.60
Mercy Medical Center Merced Merced $4,017.00 $389.11 – $7,332.00
Northridge Hospital Medical Center Northridge $1,255.50 $671.13 – $4,500.00
California Hospital Medical Center Los Angeles $2,657.80 $1,177.51 – $6,104.72

All California hospitals for this procedure →