Observation per hour at Northwestern Memorial Hospital

251 E. Huron, Chicago, IL · Nm · · NPI 1497859649

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

$118.30

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.

$169.00

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.

$15.68 with CURAECHOICE [6100] vs $151.00 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
CURAECHOICE [6100] NMHC CURAECHOICE $15.68 ↓ -87%
AETNA HEALTH PLAN [171] NMHC IMAGINE HEALTH $18.09 ↓ -85%
IMAGINE HEALTH [6032] NMHC IMAGINE HEALTH $18.09 ↓ -85%
AETNA HEALTH PLAN [171] NMH AETNA NM EMPLOYEES $29.29 ↓ -75%
HUMANA HEALTH PLAN [130] NMHC SCPP IPA $30.15 ↓ -75%
BLUE CROSS BLUE SHIELD [1401] NMHC CHWN IPA $30.15 ↓ -75%
BLUE CROSS BLUE SHIELD [1401] NMHC SCPP IPA $30.15 ↓ -75%
HUMANA HEALTH PLAN [130] NMHC UIC IPA $33.50 ↓ -72%
BLUE CROSS BLUE SHIELD [1401] NMHC UIC IPA $33.50 ↓ -72%
CIGNA HEALTH PLAN [178] NMH CIGNA ALTERNATIVE $35.18 ↓ -70%
GLOBAL MEDICAL MANAGEMENT INC [6090] NMHC GMMI $38.86 ↓ -67%
AETNA HEALTH PLAN [171] NMH AETNA BP $45.30 ↓ -62%
MEDPARTNERS [6038] NMHC MEDPARTNERS $46.90 ↓ -60%
AETNA HEALTH PLAN [171] NMH AETNA $48.32 ↓ -59%
AETNA HEALTH PLAN [171] NMH AETNA ASA $53.30 ↓ -55%
HUMANA HEALTH PLAN [130] NMH CHS IPA $60.40 ↓ -49%
HUMANA HEALTH PLAN [130] NMH ADVOCATE IPA $60.40 ↓ -49%
GALAXY HEALTH NETWORK [220] NMHC NON-CONTRACTED PAYORS $67.00 ↓ -43%
HEALTHLINK [125] NMHC NON-CONTRACTED PAYORS $67.00 ↓ -43%
CIGNA HEALTH PLAN [178] NMHC NON-CONTRACTED PAYORS $67.00 ↓ -43%
UNITED HEALTHCARE [158] NMHC NON-CONTRACTED PAYORS $67.00 ↓ -43%
FIRST HEALTH PLAN [6034] NMHC NON-CONTRACTED PAYORS $67.00 ↓ -43%
BLUE CROSS BLUE SHIELD [1401] NMHC NON-CONTRACTED PAYORS $67.00 ↓ -43%
UNITED HEALTHCARE [158] NMHC UHC REF LAB JOHN DEERE $67.00 ↓ -43%
MULTIPLAN/PHCS [142] NMHC NON-CONTRACTED PAYORS $67.00 ↓ -43%
AETNA HEALTH PLAN [171] NMHC NON-CONTRACTED PAYORS $67.00 ↓ -43%
HEALTHLINK [125] NMH SEIU HEALTHLINK $75.50 ↓ -36%
CIGNA HEALTH PLAN [178] NMH CIGNA BROAD $87.73 ↓ -26%
HEALTH'S FINEST NETWORK [126] NMH HFN PLATINUM/CHC ELITE $98.15 ↓ -17%
CIGNA HEALTH PLAN [178] NMH CIGNA BEHAVIORAL HEALTH (EVERNORTH) $120.80 ↑ +2%
MULTIPLAN/PHCS [142] NMH PHCS PPO $120.80 ↑ +2%
HEALTH'S FINEST NETWORK [126] NMH HFN/20 EPO $123.82 ↑ +5%
HEALTH'S FINEST NETWORK [126] NMH HFN/10 PPO $128.35 ↑ +8%
MULTIPLAN/PHCS [142] NMH NON-CONTRACTED PAYORS $151.00 ↑ +28%
UNITED HEALTHCARE [158] NMH UHC NON-CONTRACTED OON - ED ONLY $151.00 ↑ +28%
HUMANA HEALTH PLAN [130] NMH IL HEALTH PARTNERS IPA not published by hospital
CIGNA HEALTH PLAN [178] NMH CIGNA LIFESOURCE TRANSPLANT not published by hospital
AETNA HEALTH PLAN [171] NMH AETNA TRANSPLANT not published by hospital

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Observation per hour at other Illinois hospitals

Hospital City Cash price Negotiated range
Advocate Illinois Masonic Medical Center Chicago $120.00 $57.13 – $11,037.00
Advocate Trinity Hospital Chicago $125.00 $65.01 – $11,037.00
Ascension Saint Joseph - Chicago (Presence Chicago Hospital Network) Chicago $108.24 $68.50 – $68.50
Uchicago Medicine Adventhealth Hinsdale Hinsdale $19.75 not published
Advocate Christ Medical Center Oak Lawn $82.50 $51.22 – $11,037.00
Advocate Condell Medical Center Libertyville $137.50 $53.19 – $8,058.00
Advocate Good Samaritan Hospital Downers Grove $82.50 $53.19 – $11,037.00
UnityPoint Health - Trinity Moline Rock Island $100.80 $12.20 – $7,845.34

All Illinois hospitals for this procedure →