Chlorothiazide sodium 500 mg intravenous solution 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

$437.15

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.

$624.50

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.

$32.13 with AETNA HEALTH PLAN [171] vs $166.50 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
AETNA HEALTH PLAN [171] NWR AETNA NM EMPLOYEES $32.13 ↓ -93%
MERCY CARE HEALTH PLANS [5013] NWR MERCY CARE $50.53 ↓ -88%
ALTERNATE BLUE CROSS [1402] NWR BCBS PPO $56.44 ↓ -87%
BLUE CROSS BLUE SHIELD [1401] NWR BCBS PPO $56.44 ↓ -87%
AETNA HEALTH PLAN [171] NWR AETNA APCN/SP $57.28 ↓ -87%
AETNA HEALTH PLAN [171] NWR AETNA IL PREFERRED $59.11 ↓ -86%
ALTERNATE BLUE CROSS [1402] NWR BCBS HMO $59.41 ↓ -86%
BLUE CROSS BLUE SHIELD [1401] NWR BCBS HMO $59.41 ↓ -86%
BLUE CROSS BLUE SHIELD [1401] NWR BCBS BLUECHOICE OPTIONS $79.59 ↓ -82%
BLUE CROSS BLUE SHIELD [1401] NWR BCBS BLUECHOICE PREFERRED $79.59 ↓ -82%
BLUE CROSS BLUE SHIELD [1401] NWR BCBS BLUECHOICE SELECT $79.59 ↓ -82%
HEALTHLINK [125] NWR SEIU HEALTHLINK $83.25 ↓ -81%
AETNA HEALTH PLAN [171] NWR AETNA ASA $87.41 ↓ -80%
CHOICECARE [177] NWR CHOICE CARE $88.58 ↓ -80%
MULTIPLAN/PHCS [142] NWR PHCS PPO $104.90 ↓ -76%
HEALTH'S FINEST NETWORK [126] NWR HFN PLATINUM EPO $116.55 ↓ -73%
HEALTH'S FINEST NETWORK [126] NWR HFN PPO $121.55 ↓ -72%
CIGNA HEALTH PLAN [178] NWR CIGNA BEHAVORIAL BHS $124.88 ↓ -71%
BEECHSTREET [176] NWR BEECHSTREET $133.20 ↓ -70%
BLUE CROSS BLUE SHIELD [1401] NWR BCBS PAR/INDEMNITY ADP $166.50 ↓ -62%
MULTIPLAN/PHCS [142] NWR NON-CONTRACTED PAYORS $166.50 ↓ -62%
ALTERNATE HUMANA MEDICARE ADV [2409] NWR HUMANA MEDICARE ADVT not published by hospital
GLOBAL EXCEL [1712] NWR MEDICARE not published by hospital
ALTERNATE BLUE CROSS MEDICARE ADV [2304] NWR BLUE CROSS MEDICARE ADVT not published by hospital

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Chlorothiazide sodium 500 mg intravenous solution at other Illinois hospitals

Hospital City Cash price Negotiated range
MercyOne Genesis Silvis Medical Center Silvis $779.38 $123.92 – $336.92
MercyOne Genesis Aledo Medical Center Aledo $779.38 $174.27 – $182.01
Uchicago Medicine Adventhealth Hinsdale Hinsdale $1,206.14 $128.85 – $128.85
Advocate Christ Medical Center Oak Lawn $86.36 $64.27 – $215.61
Northwestern Memorial Hospital Chicago $928.90 not published
Advocate Good Samaritan Hospital Downers Grove $114.54 $79.80 – $215.61
UnityPoint Health - Trinity Moline Rock Island $279.44 $32.30 – $258.45
Uchicago Medicine Adventhealth La Grange La Grange $210.14 $128.85 – $128.85

All Illinois hospitals for this procedure →