Ammonia at Mercy Gilbert Medical Center

3555 S Val Vista Dr, Gilbert, AZ · CommonSpirit Health · · NPI 1992735088

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

$120.79

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.

$491.00

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.

$14.57 with Care 1st vs $378.07 with MultiPlan — 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
Care 1st Medicare|All Plans $14.57 ↓ -88%
Humana Medicare|All Plans $14.57 ↓ -88%
Aetna Medicare|All Plans $14.57 ↓ -88%
First Health Medicare|All Plans $14.57 ↓ -88%
Cigna Medicare|All Plans $14.57 ↓ -88%
BCBS - AZ Medicare|All Plans $14.57 ↓ -88%
Health Choice Medicare|All Plans $14.57 ↓ -88%
Mercy Care Plan Medicaid|All Plans $14.57 ↓ -88%
Mercy Care Plan Medicare|All Plans $14.57 ↓ -88%
Health Choice Medicaid|All Plans $14.93 ↓ -88%
United Medicaid|All Plans $14.93 ↓ -88%
United Medicare|All Plans $14.94 ↓ -88%
United Commercial|All Other Plans $17.48 ↓ -86%
United Commercial|Navigate $17.48 ↓ -86%
United Commercial|Options PPO $17.48 ↓ -86%
Cigna Commercial|Exchange $30.30 ↓ -75%
Cigna Commercial|LocalPlus SureFit $32.39 ↓ -73%
BCBS - AZ Commercial|Neighborhood $37.18 ↓ -69%
BCBS - AZ Commercial|MaricopaFocus $37.18 ↓ -69%
Cigna Commercial|PPO $42.62 ↓ -65%
Cigna Commercial|All Other Plans $42.62 ↓ -65%
BCBS - AZ Commercial|All Other Plans $49.57 ↓ -59%
United Commercial|DignityHealthEmployee $68.74 ↓ -43%
BCBS - AZ Commercial|Workers Comp $73.62 ↓ -39%
Aetna Commercial|All Other Plans $73.96 ↓ -39%
Aetna Commercial|PPO $73.96 ↓ -39%
Aetna Commercial|HMO $73.96 ↓ -39%
First Health Commercial|All Plans $265.14 ↑ +120%
MultiPlan Commercial|All Plans $378.07 ↑ +213%

Visitor-reported prices

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Ammonia at other Arizona hospitals

Hospital City Cash price Negotiated range
Banner Gateway Medical Center Gilbert $35.36 $14.57 – $86.25
Banner University Medical Center Phoenix Phoenix $34.08 $14.57 – $86.25
Banner University Medical Center Tucson Tucson $32.40 $14.57 – $72.00
Banner University Medical Center South Tucson $17.94 $14.57 – $72.00
Banner Baywood Medical Center Mesa $27.05 $14.57 – $86.25
Banner Behavioral Health Hospital Scottsdale $124.79 $14.57 – $149.10
Banner Boswell Medical Center Sun City $32.16 $14.57 – $92.00
Banner Casa Grande Medical Center Casa Grande $24.07 $14.57 – $86.25

All Arizona hospitals for this procedure →