Artery x-rays chest at Ascension Columbia St. Mary's Hospital - Ozaukee Campus (Columbia St. Mary's Hospital Milwaukee, Inc.)

13111 N Port Washington Rd, Mequon, WI · Ascension · · NPI 1316000706

Source: hospital's published price file ↗ · Published Jan 1, 2026 · Ingested Sep 8, 2026

$1,674.80

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.

$3,160.00

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.

$88.09 with NETWORK HEALTH PLAN vs $6,438.74 with CCHP MARKETPLACE — 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
NETWORK HEALTH PLAN 1136_NETWORK HEALTH PLAN 20221001 $88.09 ↓ -95%
UHC NON OPTIONS PPO 1130_UNITED HEALTH CARE NONOPTIONS 20221001 $145.91 ↓ -91%
HUMANA PPO 1133_HUMANA PPO 20221001 $145.91 ↓ -91%
HUMANA HMO POS 1127_HUMANA 20221001 $145.91 ↓ -91%
HUMANA PREFERRED 1134_HUMANA PREFERRED 20221001 $145.91 ↓ -91%
ALLIANCE 1066_ALLIANCE 20220101 $183.01 ↓ -89%
CCHP MARKETPLACE 1124_CCHP MARKETPLACE 20221001 $6,438.74 ↑ +284%

Visitor-reported prices

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Artery x-rays chest at other Wisconsin hospitals

Hospital City Cash price Negotiated range
Ascension Columbia St. Mary's Hospital - Milwaukee Campus (Columbia St. Mary's Hospital Milwaukee, Inc.) Milwaukee $1,674.80 $88.09 – $6,438.74
UnityPoint Health - Meriter Hospital Madison $8,981.68 $49.61 – $3,502.85
SSM Health St. Mary's Hospital - Madison Madison $2,587.20 $895.35 – $3,066.96
SSM Health Monroe Hospital Monroe $2,082.85 $295.18 – $3,066.96
SSM Health St. Clare Hospital - Baraboo Baraboo not published $1,189.12 – $3,066.96
SSM Health St. Mary's Hospital - Janesville Janesville not published $853.37 – $3,180.39
SSM Health Ripon Community Hospital Ripon not published $366.18 – $366.18
SSM Health St. Agnes Hospital - Fond du Lac Fond Du Lac not published $366.18 – $6,027.57

All Wisconsin hospitals for this procedure →