Assay of sialic acid at Providence Cedars-Sinai Tarzana Medical Center
18321 Clark St, Tarzana, CA · Providence · · NPI 1821250762
not published by hospital
Cash price 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 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.
$13.44 with Aetna vs $128.01 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 →
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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 ?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 ?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 | $13.44 | — |
| Humana | Choicecare Medicare Managed Care Plan | $13.71 | — |
| Central Health Plan | Medicare Managed Care Plan | $14.78 | — |
| La Care Health Plan | Exchange | $17.47 | — |
| Blue Cross | Anthem Vivity City Of La Other Commercial Plan | $19.06 | — |
| Blue Cross | Anthem Vivity Non City Of La Other Commercial Plan | $21.47 | — |
| Cigna | Ppo | $23.69 | — |
| Cigna | Oap Hmo/Pos | $23.69 | — |
| Healthnet | Ambetter Hmo | $24.86 | — |
| Unitedhealthcare | All Commercial Plans | $26.88 | — |
| First Health/Coventry | Coventry All Commercial Plans | $26.88 | — |
| Unitedhealthcare | Select/Navigate Hmo | $26.88 | — |
| Healthnet | Ambetter Ppo | $28.76 | — |
| Aetna | All Commercial Plans | $35.21 | — |
| Blue Shield | Epn/Ifp Benefit Exchange | $35.85 | — |
| Blue Shield | Tandem Ppo/Blue High Performance Ppo/Epo | $38.29 | — |
| Blue Shield | Hmo/Ppo/Epo | $42.98 | — |
| Blue Cross | All Commercial Plans | $84.35 | — |
| Blue Shield | Medicare Managed Care Plan | $128.01 | — |
Visitor-reported prices
Comments
Assay of sialic acid at other California hospitals
| Hospital | City | Cash price | Negotiated range |
|---|---|---|---|
| Arroyo Grande Hospital | Santa Maria | $50.72 | $13.44 – $116.13 |
| French Hospital | San Luis Obispo | $46.46 | $13.44 – $116.13 |
| Petaluma Valley Hospital | Petaluma | not published | $13.17 – $109.58 |
| Queen of The Valley Medical Center | Napa | not published | $13.44 – $138.49 |
| Providence St Joseph Hospital Eureka | Eureka | not published | $13.44 – $157.05 |
| Healdsburg Hospital | Healdsburg | not published | $13.44 – $62.65 |
| Redwood Memorial Hospital | Fortuna | not published | $157.41 – $157.41 |
| Santa Rosa Memorial Hospital | Santa Rosa | not published | $13.17 – $117.82 |