Warde protein c antigen at Sequoia Hospital

170 Alameda de las Pulgas, Redwood City, CA · CommonSpirit Health · · NPI 1568646735

Source: hospital's published price file ↗ · Published Feb 28, 2026 · Ingested Sep 10, 2026

$5.10

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.

$14.00

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.

$2.86 with Blue Shield CA vs $41.83 with Cigna — 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 CA Commercial|ACO Trio $2.86 ↓ -44%
Blue Shield CA Commercial|Exchange $2.99 ↓ -41%
Blue Shield CA Commercial|All Other Plans $3.64 ↓ -29%
Connected Care Commercial|Intel $5.59 ↑ +10%
Healthsmart Commercial|All Plans $8.84 ↑ +73%
Kaiser Commercial|All Plans $10.01 ↑ +96%
Multiplan Commercial|All Plans $10.66 ↑ +109%
BCBS - Anthem Commercial|All Other Plans $11.70 ↑ +129%
BCBS - Anthem Medicare|All Plans $12.01 ↑ +135%
Health Net Medicare|All Plans $12.01 ↑ +135%
Humana Medicare|All Plans $12.01 ↑ +135%
Health Plan San Mateo Medicare|All Plans $12.01 ↑ +135%
Health Net Commercial|Canopy Health $12.01 ↑ +135%
Chinese Community Medicare|All Plans $12.01 ↑ +135%
Kaiser Medicare|All Plans $12.01 ↑ +135%
Humana Commercial|All Plans $12.01 ↑ +135%
Aetna Medicare|All Plans $12.01 ↑ +135%
United Medicare|All Plans $12.01 ↑ +135%
Blue Shield CA Medicare|All Plans $12.01 ↑ +135%
Health Plan San Mateo Medicaid|> 21 $13.00 ↑ +155%
Aetna Commercial|All Plans $13.00 ↑ +155%
United Commercial|All Other Plans $13.00 ↑ +155%
United Commercial|HMO $13.00 ↑ +155%
United Commercial|Options PPO $13.00 ↑ +155%
Kaiser Medicaid|< 21 $13.00 ↑ +155%
Kaiser Medicaid|> 21 $13.00 ↑ +155%
BCBS - Anthem Commercial|MCS $13.00 ↑ +155%
BCBS - Anthem Medicaid|< 21 $13.00 ↑ +155%
BCBS - Anthem Medicaid|> 21 $13.00 ↑ +155%
Partnership Health Plan Medicaid|< 21 $13.00 ↑ +155%
Partnership Health Plan Medicaid|> 21 $13.00 ↑ +155%
Health Plan San Mateo Medicaid|< 21 $13.00 ↑ +155%
Brown Toland Commercial|All Plans $13.21 ↑ +159%
Health Net Medicaid|> 21 $15.99 ↑ +214%
Health Net Medicaid|< 21 $15.99 ↑ +214%
Sutter Health Commercial|All Plans $37.59 ↑ +637%
Cigna Commercial|All Plans $41.83 ↑ +720%

Visitor-reported prices

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Warde protein c antigen at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $26.28 $2.84 – $31.88
Banner Lassen Medical Center Susanville $8.94 $2.40 – $17.62
Petaluma Valley Hospital Petaluma $99.27 $11.77 – $98.43
Arroyo Grande Hospital Santa Maria $6.00 $6.50 – $30.96
Mark Twain Medical Center San Andreas $9.33 $7.58 – $14.00
French Hospital San Luis Obispo $5.49 $3.51 – $36.39
Mercy Hospitals – Bakersfield Bakersfield $5.20 $6.50 – $34.53
Bakersfield Memorial Hospital Bakersfield $5.14 $6.50 – $34.53

All California hospitals for this procedure →