Cell function assay w/stim at Northwestern Medicine Central DuPage Hospital

25 N. Winfield Rd. Winfield, IL 60190, IL · Nm · · NPI 1003864810

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

$863.10

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.

$1,233.00

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.

$32.09 with COUNTYCARE IL COOK CO [1607] vs $465.00 with MULTIPLAN/PHCS [142] — 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
COUNTYCARE IL COOK CO [1607] CDH ILLINOIS MEDICAID $32.09 ↓ -96%
BLUE CROSS MEDICAID [1612] CDH ILLINOIS MEDICAID $32.09 ↓ -96%
HEALTH ALLIANCE MEDICAID [1310] CDH ILLINOIS MEDICAID $32.09 ↓ -96%
BLUE CROSS BLUE SHIELD [1401] CDH BCBS BLUECHOICE PREFERRED $51.62 ↓ -94%
ALTERNATE BLUE CROSS [1402] CDH BCBS BLUECHOICE PREFERRED $51.62 ↓ -94%
ALTERNATE BLUE CROSS [1402] CDH BCBS BLUECHOICE SELECT $51.62 ↓ -94%
BLUE CROSS BLUE SHIELD [1401] CDH BCBS BLUECHOICE SELECT $51.62 ↓ -94%
BLUE CROSS BLUE SHIELD [1401] CDH BCBS BLUECHOICE OPTIONS $51.62 ↓ -94%
ALTERNATE BLUE CROSS [1402] CDH BCBS BLUECHOICE OPTIONS $51.62 ↓ -94%
AETNA HEALTH PLAN [171] CDH AETNA NM EMPLOYEES $66.50 ↓ -92%
ALTERNATE BLUE CROSS [1402] CDH BCBS PPO $81.84 ↓ -91%
BLUE CROSS BLUE SHIELD [1401] CDH BCBS PPO $81.84 ↓ -91%
AETNA HEALTH PLAN [171] CDH AETNA BP $139.50 ↓ -84%
AETNA HEALTH PLAN [171] CDH AETNA APCN/SP $146.01 ↓ -83%
AETNA HEALTH PLAN [171] CDH AETNA IL PREFERRED $162.75 ↓ -81%
ALTERNATE BLUE CROSS [1402] CDH BCBS HMO $191.02 ↓ -78%
BLUE CROSS BLUE SHIELD [1401] CDH BCBS HMO $191.02 ↓ -78%
HEALTH'S FINEST NETWORK [126] CDH HFN NMH TIER ONE $232.50 ↓ -73%
CARELON BEHAVIORAL HEALTH [159] CDH VALUE OPTIONS BHS $232.50 ↓ -73%
MULTIPLAN/PHCS [142] CDH SAGAMORE HEALTH PPO $266.91 ↓ -69%
BLUE CROSS BLUE SHIELD [1401] CDH ADVOCATE IPA $279.00 ↓ -68%
MAGELLAN BEHAVIORAL HLTH [136] CDH MAGELLAN BHS $279.00 ↓ -68%
HUMANA HEALTH PLAN [130] CDH ADVOCATE IPA $279.00 ↓ -68%
DREYER MED IPA ADVOCATE [1409] CDH ADVOCATE IPA $279.00 ↓ -68%
HEALTHLINK [125] CDH SEIU HEALTHLINK $292.95 ↓ -66%
CHOICECARE [177] CDH CHOICE CARE $356.19 ↓ -59%
FIRST HEALTH PLAN [6034] CDH FIRST HEALTH $357.59 ↓ -59%
COMPSYCH [112] CDH COMPSYCH $372.00 ↓ -57%
CIGNA HEALTH PLAN [178] CDH CIGNA BEHAVIORAL BHS $372.00 ↓ -57%
MULTIPLAN/PHCS [142] CDH PHCS/MULTIPLAN $404.55 ↓ -53%
HEALTH'S FINEST NETWORK [126] CDH HFN $424.08 ↓ -51%
UNITED HEALTHCARE [158] CDH UHC NON-CONTRACTED OON - ED ONLY $465.00 ↓ -46%
BLUE CROSS BLUE SHIELD [1401] CDH HEALTHLAB CHS $465.00 ↓ -46%
HUMANA BEHAVIORAL [185] CDH LIFESYNCH BHS $465.00 ↓ -46%
BLUE CROSS BLUE SHIELD [1401] CDH BCBS PAR/INDEMNITY ADP $465.00 ↓ -46%
MULTIPLAN/PHCS [142] CDH NON-CONTRACTED PAYORS $465.00 ↓ -46%
ALTERNATE HUMANA MEDICARE ADV [2409] CDH HUMANA MEDICARE ADVT not published by hospital
JOURNEYCARE INC HOSPICE [1275] CDH JOURNEYCARE HOSPICE not published by hospital
OPTUM/UNITED BEHAVIORAL HEALTH [157] CDH UBH BHS not published by hospital
ALTERNATE BLUE CROSS MEDICARE ADV [2304] CDH MEDICARE not published by hospital
BLUE CROSS BLUE SHIELD [1401] CDH HEALTHLAB LITTLE COMPANY OF MARY not published by hospital
GLOBAL EXCEL [1712] CDH MEDICARE not published by hospital
BLUE CROSS BLUE SHIELD [1401] CDH HEALTHLAB BLUE CROSS CHOICE not published by hospital
BCBS MEDICARE ADVANTAGE [1304] CDH BLUE CROSS MMAI (MEDICARE) not published by hospital

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Cell function assay w/stim at other Illinois hospitals

Hospital City Cash price Negotiated range
Uchicago Medicine Adventhealth Hinsdale Hinsdale $75.00 $116.76 – $220.09
Advocate Christ Medical Center Oak Lawn $545.00 $135.86 – $648.00
Northwestern Memorial Hospital Chicago $690.20 not published
Advocate Condell Medical Center Libertyville $545.00 $135.86 – $648.00
Advocate Good Samaritan Hospital Downers Grove $545.00 $135.86 – $617.57
UnityPoint Health - Trinity Moline Rock Island $335.20 $3.50 – $217.38
Uchicago Medicine Adventhealth La Grange La Grange $75.00 $116.76 – $220.09
SSM Health Good Samaritan Hospital - Mt. Vernon Mount Vernon $672.10 $135.86 – $142.65

All Illinois hospitals for this procedure →