Sigmoidoscopy and biopsy 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

$6,360.99

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.

$9,087.13

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.

$599.07 with AETNA HEALTH PLAN [171] vs $3,104.00 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 $599.07 ↓ -91%
CIGNA HEALTH PLAN [178] NWR CIGNA ALTERNATIVE $611.49 ↓ -90%
MERCY CARE HEALTH PLANS [5013] NWR MERCY CARE $942.06 ↓ -85%
CIGNA HEALTH PLAN [178] NWR CIGNA BROAD $959.14 ↓ -85%
BLUE CROSS BLUE SHIELD [1401] NWR BCBS PPO $1,052.26 ↓ -83%
ALTERNATE BLUE CROSS [1402] NWR BCBS PPO $1,052.26 ↓ -83%
AETNA HEALTH PLAN [171] NWR AETNA APCN/SP $1,067.78 ↓ -83%
AETNA HEALTH PLAN [171] NWR AETNA IL PREFERRED $1,101.92 ↓ -83%
ALTERNATE BLUE CROSS [1402] NWR BCBS HMO $1,107.51 ↓ -83%
BLUE CROSS BLUE SHIELD [1401] NWR BCBS HMO $1,107.51 ↓ -83%
UNITED HEALTHCARE [158] NWR UHC CORE $1,334.00 ↓ -79%
UNITED HEALTHCARE [158] NWR UHC HMO/PPO $1,481.00 ↓ -77%
BLUE CROSS BLUE SHIELD [1401] NWR BCBS BLUECHOICE PREFERRED $1,483.71 ↓ -77%
BLUE CROSS BLUE SHIELD [1401] NWR BCBS BLUECHOICE SELECT $1,483.71 ↓ -77%
BLUE CROSS BLUE SHIELD [1401] NWR BCBS BLUECHOICE OPTIONS $1,483.71 ↓ -77%
AETNA HEALTH PLAN [171] NWR AETNA $1,511.65 ↓ -76%
HEALTHLINK [125] NWR SEIU HEALTHLINK $1,552.00 ↓ -76%
AETNA HEALTH PLAN [171] NWR AETNA ASA $1,629.60 ↓ -74%
CHOICECARE [177] NWR CHOICE CARE $1,651.33 ↓ -74%
THE ALLIANCE [1703] NWR THE ALLIANCE $1,993.70 ↓ -69%
HEALTH'S FINEST NETWORK [126] NWR HFN PLATINUM EPO $2,172.80 ↓ -66%
HEALTH'S FINEST NETWORK [126] NWR HFN PPO $2,265.92 ↓ -64%
CIGNA HEALTH PLAN [178] NWR CIGNA BEHAVORIAL BHS $2,328.00 ↓ -63%
BEECHSTREET [176] NWR BEECHSTREET $2,483.20 ↓ -61%
MULTIPLAN/PHCS [142] NWR NON-CONTRACTED PAYORS $3,104.00 ↓ -51%
BLUE CROSS BLUE SHIELD [1401] NWR BCBS PAR/INDEMNITY ADP $3,104.00 ↓ -51%
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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Sigmoidoscopy and biopsy at other Illinois hospitals

Hospital City Cash price Negotiated range
MercyOne Genesis Silvis Medical Center Silvis $105.60 $161.92 – $982.39
MercyOne Genesis Aledo Medical Center Aledo $105.60 $2,660.57 – $2,970.16
Northwestern Memorial Hospital Chicago $3,440.53 not published
UnityPoint Health - Trinity Moline Rock Island $672.00 $64.93 – $709.27
Northwestern Medicine Central DuPage Hospital IL 60190 $7,558.35 not published
Northwestern Medicine Valley West Hospital Sandwich $4,149.26 $176.70 – $176.70
Northwestern Medicine Delnor Hospital Geneva $5,354.71 not published
Northwestern Medicine Palos Hospital Palos Heights $5,685.83 not published

All Illinois hospitals for this procedure →