Abdominal paracentesis w/image guidance at Northwestern Medicine McHenry Hospital

4201 Medical Center Drive, McHenry, IL · Nm · · NPI 1427065499

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

$6,590.32

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.

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What you pay up front if you don't use insurance.

$9,414.74

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.

$573.40 with AETNA HEALTH PLAN [171] vs $2,971.00 with BLUE CROSS BLUE SHIELD [1401] — 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
AETNA HEALTH PLAN [171] NWR AETNA NM EMPLOYEES $573.40 ↓ -91%
CIGNA HEALTH PLAN [178] NWR CIGNA ALTERNATIVE $585.29 ↓ -91%
MERCY CARE HEALTH PLANS [5013] NWR MERCY CARE $901.70 ↓ -86%
CIGNA HEALTH PLAN [178] NWR CIGNA BROAD $918.04 ↓ -86%
BLUE CROSS BLUE SHIELD [1401] NWR BCBS PPO $1,007.17 ↓ -85%
ALTERNATE BLUE CROSS [1402] NWR BCBS PPO $1,007.17 ↓ -85%
AETNA HEALTH PLAN [171] NWR AETNA APCN/SP $1,022.02 ↓ -84%
AETNA HEALTH PLAN [171] NWR AETNA IL PREFERRED $1,054.71 ↓ -84%
ALTERNATE BLUE CROSS [1402] NWR BCBS HMO $1,060.05 ↓ -84%
BLUE CROSS BLUE SHIELD [1401] NWR BCBS HMO $1,060.05 ↓ -84%
BLUE CROSS BLUE SHIELD [1401] NWR BCBS BLUECHOICE PREFERRED $1,420.14 ↓ -78%
BLUE CROSS BLUE SHIELD [1401] NWR BCBS BLUECHOICE OPTIONS $1,420.14 ↓ -78%
BLUE CROSS BLUE SHIELD [1401] NWR BCBS BLUECHOICE SELECT $1,420.14 ↓ -78%
AETNA HEALTH PLAN [171] NWR AETNA $1,446.88 ↓ -78%
HEALTHLINK [125] NWR SEIU HEALTHLINK $1,485.50 ↓ -77%
AETNA HEALTH PLAN [171] NWR AETNA ASA $1,559.78 ↓ -76%
CHOICECARE [177] NWR CHOICE CARE $1,580.57 ↓ -76%
MULTIPLAN/PHCS [142] NWR PHCS PPO $1,634.05 ↓ -75%
THE ALLIANCE [1703] NWR THE ALLIANCE $1,908.27 ↓ -71%
HEALTH'S FINEST NETWORK [126] NWR HFN PLATINUM EPO $2,079.70 ↓ -68%
HEALTH'S FINEST NETWORK [126] NWR HFN PPO $2,168.83 ↓ -67%
CIGNA HEALTH PLAN [178] NWR CIGNA BEHAVORIAL BHS $2,228.25 ↓ -66%
BEECHSTREET [176] NWR BEECHSTREET $2,376.80 ↓ -64%
MULTIPLAN/PHCS [142] NWR NON-CONTRACTED PAYORS $2,971.00 ↓ -55%
BLUE CROSS BLUE SHIELD [1401] NWR BCBS PAR/INDEMNITY ADP $2,971.00 ↓ -55%
GLOBAL EXCEL [1712] NWR MEDICARE not published by hospital
ALTERNATE HUMANA MEDICARE ADV [2409] NWR HUMANA MEDICARE ADVT not published by hospital
ALTERNATE BLUE CROSS MEDICARE ADV [2304] NWR BLUE CROSS MEDICARE ADVT not published by hospital

Visitor-reported prices

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Abdominal paracentesis w/image guidance at other Illinois hospitals

Hospital City Cash price Negotiated range
MercyOne Genesis Silvis Medical Center Silvis $1,102.20 $562.24 – $1,497.16
MercyOne Genesis Aledo Medical Center Aledo $1,102.20 $320.00 – $993.24
Uchicago Medicine Adventhealth Hinsdale Hinsdale $575.00 $430.00 – $1,574.55
Advocate Christ Medical Center Oak Lawn $1,375.00 $1,083.50 – $6,181.00
Northwestern Memorial Hospital Chicago $7,104.37 $51.31 – $51.31
Advocate Condell Medical Center Libertyville $1,490.00 $1,174.12 – $4,636.00
Advocate Good Samaritan Hospital Downers Grove $1,445.00 $1,138.66 – $6,181.00
UnityPoint Health - Trinity Moline Rock Island $1,510.00 $95.71 – $832.38

All Illinois hospitals for this procedure →