Drug assay caffeine at St. Joseph’s Hospital and Medical Center

350 W Thomas Rd, Phoenix, AZ · CommonSpirit Health · · NPI 1982733655

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

$29.04

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.

$76.00

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.

$14.44 with United vs $76.00 with BCBS - AZ — 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
United Commercial|DignityHealthEmployee $14.44 ↓ -50%
United Commercial|Navigate $16.20 ↓ -44%
United Commercial|Options PPO $23.14 ↓ -20%
United Commercial|All Other Plans $23.14 ↓ -20%
Optum Commercial|OptumHealth $35.72 ↑ +23%
Aetna Medicare|All Plans $38.57 ↑ +33%
Mercy Care Plan Medicaid|All Plans $38.57 ↑ +33%
First Health Medicare|All Plans $38.57 ↑ +33%
BCBS - AZ Medicare|All Plans $38.57 ↑ +33%
Humana Medicare|All Plans $38.57 ↑ +33%
Optum Medicare|OptumCare $38.57 ↑ +33%
Care 1st Medicare|All Plans $38.57 ↑ +33%
Mercy Care Plan Medicare|All Plans $38.57 ↑ +33%
Health Choice Medicare|All Plans $38.57 ↑ +33%
Health Choice Medicaid|All Plans $38.57 ↑ +33%
Cigna Medicare|All Plans $38.57 ↑ +33%
United Medicare|All Other Plans $38.57 ↑ +33%
United Medicare|Dual Complete $38.57 ↑ +33%
United Medicaid|All Plans $39.53 ↑ +36%
Cigna Commercial|LifeSource $41.80 ↑ +44%
Optum Medicare|OptumHealth $42.43 ↑ +46%
Other Commercial|NTN $45.60 ↑ +57%
LifeTrac Commercial|All Plans $49.40 ↑ +70%
First Health Commercial|All Plans $53.20 ↑ +83%
Health Net Commercial|Interlink $53.20 ↑ +83%
MultiPlan Commercial|All Plans $60.04 ↑ +107%
Cigna Commercial|Exchange $76.00 ↑ +162%
BCBS - AZ Commercial|Workers Comp $76.00 ↑ +162%
Cigna Commercial|LocalPlus SureFit $76.00 ↑ +162%
Aetna Commercial|All Plans $76.00 ↑ +162%
Cigna Commercial|All Other Plans $76.00 ↑ +162%
BCBS - AZ Commercial|All Other Plans $76.00 ↑ +162%
BCBS - AZ Commercial|MaricopaFocus $76.00 ↑ +162%
BCBS - AZ Commercial|Neighborhood $76.00 ↑ +162%

Visitor-reported prices

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Drug assay caffeine at other Arizona hospitals

Hospital City Cash price Negotiated range
Banner University Medical Center Phoenix Phoenix $18.56 $38.57 – $87.00
Banner Estrella Medical Center Phoenix $18.33 $38.57 – $87.00
Mercy Gilbert Medical Center Gilbert $37.96 $21.60 – $118.80
Banner University Medical Center Tucson Tucson $18.79 $38.57 – $92.80
Banner University Medical Center South Tucson $18.10 $38.57 – $92.80
Banner Baywood Medical Center Mesa $14.73 $38.57 – $87.00
Banner Boswell Medical Center Sun City $17.52 $38.57 – $92.80
Banner Casa Grande Medical Center Casa Grande $13.11 $38.57 – $87.00

All Arizona hospitals for this procedure →