Creatine kinase at Northwestern Medicine Marianjoy Rehabilitation Hospital

26W171 Roosevelt Road, Wheaton, IL · Nm · · NPI 1083660658

Source: hospital's published price file ↗ · Published Apr 1, 2026 · Ingested Sep 17, 2026

$25.20

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.

$36.00

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.

$15.12 with IMAGINE HEALTH [6032] vs $36.00 with UNITED HEALTHCARE [158] — 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
IMAGINE HEALTH [6032] MRH IMAGINE HEALTH $15.12 ↓ -40%
AETNA HEALTH PLAN [171] MRH IMAGINE HEALTH $15.12 ↓ -40%
AETNA HEALTH PLAN [171] MRH AETNA NM EMPLOYEES $16.92 ↓ -33%
CIGNA HEALTH PLAN [178] MRH CIGNA BROAD $18.00 ↓ -29%
THE ALLIANCE [1703] MRH THE ALLIANCE $19.57 ↓ -22%
BLUE CROSS BLUE SHIELD [1401] MRH BCBS BLUECHOICE SELECT $19.62 ↓ -22%
BLUE CROSS BLUE SHIELD [1401] MRH BCBS BLUECHOICE OPTIONS $19.62 ↓ -22%
BLUE CROSS BLUE SHIELD [1401] MRH BCBS BLUECHOICE PREFERRED $19.62 ↓ -22%
BLUE CROSS BLUE SHIELD [1401] MRH BCBS PAR/INDEMNITY ADP $20.12 ↓ -20%
ALTERNATE BLUE CROSS [1402] MRH BCBS HMO $21.04 ↓ -17%
BLUE CROSS BLUE SHIELD [1401] MRH BCBS HMO $21.04 ↓ -17%
CIGNA HEALTH PLAN [178] MRH CIGNA NARROW $21.60 ↓ -14%
BLUE CROSS BLUE SHIELD [1401] MRH BCBS PPO $22.10 ↓ -12%
ALTERNATE BLUE CROSS [1402] MRH BCBS PPO $22.10 ↓ -12%
HEALTHLINK [125] MRH SEIU HEALTHLINK $22.68 ↓ -10%
FIRST HEALTH PLAN [6034] MRH FIRST HEALTH $24.08 ↓ -4%
AETNA HEALTH PLAN [171] MRH NON-CONTRACTED PAYORS $36.00 ↑ +43%
FIRST HEALTH PLAN [6034] MRH NON-CONTRACTED PAYORS $36.00 ↑ +43%
HUMANA HEALTH PLAN [130] MRH NON-CONTRACTED PAYORS $36.00 ↑ +43%
MULTIPLAN/PHCS [142] MRH NON-CONTRACTED PAYORS $36.00 ↑ +43%
UNITED HEALTHCARE [158] MRH NON-CONTRACTED PAYORS $36.00 ↑ +43%
GLOBAL EXCEL [1712] MRH MEDICARE not published by hospital
HEALTH'S FINEST NETWORK [126] MRH HFN not published by hospital
BLUE CROSS BLUE SHIELD [1401] MRH DREYER - IPA not published by hospital
HUMANA HEALTH PLAN [130] MRH DREYER - IPA not published by hospital
HUMANA HEALTH PLAN [130] MRH DUPAGE MEDICAL GROUP (IHP) not published by hospital
ALTERNATE HUMANA MEDICARE ADV [2409] MRH MEDICARE not published by hospital
HUMANA HEALTH PLAN [130] MRH UNIVERSITY OF IL MED CENTER - IPA not published by hospital
ALTERNATE BLUE CROSS MEDICARE ADV [2304] MRH MEDICARE not published by hospital
BLUE CROSS BLUE SHIELD [1401] MRH UNIVERSITY OF IL MED CENTER - IPA not published by hospital
BLUE CROSS BLUE SHIELD [1401] MRH LOYOLA UNIVERSITY MED CENTER - IPA not published by hospital
BLUE CROSS BLUE SHIELD [1401] MRH DUPAGE MEDICAL GROUP (IHP) not published by hospital
MULTIPLAN/PHCS [142] MRH PHCS not published by hospital

Visitor-reported prices

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Creatine kinase at other Illinois hospitals

Hospital City Cash price Negotiated range
MercyOne Genesis Silvis Medical Center Silvis $56.40 $4.42 – $69.00
MercyOne Genesis Aledo Medical Center Aledo $56.40 $7.49 – $17.39
Uchicago Medicine Adventhealth Hinsdale Hinsdale $43.75 $6.37 – $10.55
Advocate Christ Medical Center Oak Lawn $55.00 $6.51 – $88.00
Northwestern Memorial Hospital Chicago $194.60 not published
Advocate Condell Medical Center Libertyville $55.00 $6.51 – $88.00
Advocate Good Samaritan Hospital Downers Grove $55.00 $6.51 – $88.00
UnityPoint Health - Trinity Moline Rock Island $33.57 $3.50 – $18.50

All Illinois hospitals for this procedure →