Sigmoidoscopy/submucosal injection 45335 at Northwestern Lake Forest Hospital DBA Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital

1000 N. Westmoreland Rd., Lake Forest, IL · Nm · · NPI 1124025176

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

$4,903.85

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.

$7,005.50

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.

$479.24 with AETNA HEALTH PLAN [171] vs $2,887.00 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
AETNA HEALTH PLAN [171] NLFH AETNA NM EMPLOYEES $479.24 ↓ -90%
BLUE CROSS BLUE SHIELD [1401] NLFH BCBS HMO $611.76 ↓ -88%
ALTERNATE BLUE CROSS [1402] NLFH BCBS HMO $611.76 ↓ -88%
BLUE CROSS BLUE SHIELD [1401] NLFH BCBS BLUECHOICE OPTIONS $675.56 ↓ -86%
BLUE CROSS BLUE SHIELD [1401] NLFH BCBS BLUECHOICE PREFERRED $675.56 ↓ -86%
BLUE CROSS BLUE SHIELD [1401] NLFH BCBS BLUECHOICE SELECT $675.56 ↓ -86%
ALTERNATE BLUE CROSS [1402] NLFH BCBS PPO $788.15 ↓ -84%
BLUE CROSS BLUE SHIELD [1401] NLFH BCBS PPO $788.15 ↓ -84%
CIGNA HEALTH PLAN [178] NLFH CIGNA ALTERNATIVE $1,088.40 ↓ -78%
UNITED HEALTHCARE [158] NLFH UHC CORE $1,334.00 ↓ -73%
HEALTHLINK [125] NLFH SEIU HEALTHLINK $1,443.50 ↓ -71%
UNITED HEALTHCARE [158] NLFH UHC HMO/PPO $1,481.00 ↓ -70%
HEALTH'S FINEST NETWORK [126] NLFH HFN PLATINUM/CHC ELITE $1,844.79 ↓ -62%
THE ALLIANCE [1703] NLFH THE ALLIANCE $1,854.32 ↓ -62%
CIGNA HEALTH PLAN [178] NLFH CIGNA BROAD $1,870.78 ↓ -62%
MULTIPLAN/PHCS [142] NLFH PHCS $2,309.60 ↓ -53%
BEECHSTREET [176] NLFH PHCS $2,309.60 ↓ -53%
FIRST HEALTH PLAN [6034] NLFH FIRST HEALTH $2,367.34 ↓ -52%
HEALTH'S FINEST NETWORK [126] NLFH HFN PPO $2,598.30 ↓ -47%
BLUE CROSS BLUE SHIELD [1401] NLFH BC LAKE COUNTY PHYS ASSOC IPA $2,887.00 ↓ -41%
MULTIPLAN/PHCS [142] NLFH NON-CONTRACTED PAYORS $2,887.00 ↓ -41%
BLUE CROSS BLUE SHIELD [1401] NLFH BCBS PAR/INDEMNITY ADP $2,887.00 ↓ -41%
UNITED HEALTHCARE [158] NLFH UHC NON-CONTRACTED OON - ED ONLY $2,887.00 ↓ -41%
GLOBAL EXCEL [1712] NLFH MEDICARE not published by hospital
HUMANA HEALTH PLAN [130] NLFH ADVOCATE IPA not published by hospital
BLUE CROSS BLUE SHIELD [1401] NLFH ADVOCATE IPA not published by hospital
ALTERNATE HUMANA MEDICARE ADV [2409] NLFH HUMANA MEDICARE ADVT not published by hospital
ALTERNATE BLUE CROSS MEDICARE ADV [2304] NLFH BLUE CROSS MEDICARE ADVT not published by hospital

Visitor-reported prices

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Sigmoidoscopy/submucosal injection 45335 at other Illinois hospitals

Hospital City Cash price Negotiated range
MercyOne Genesis Silvis Medical Center Silvis $541.80 $830.76 – $982.39
MercyOne Genesis Aledo Medical Center Aledo $541.80 $2,660.57 – $2,970.16
Northwestern Memorial Hospital Chicago $8,019.67 not published
UnityPoint Health - Trinity Moline Rock Island $649.60 $60.22 – $709.27
Northwestern Medicine Central DuPage Hospital IL 60190 $8,252.99 not published
Northwestern Medicine Delnor Hospital Geneva $8,019.67 not published
Northwestern Medicine Palos Hospital Palos Heights $2,453.50 not published
Northwestern Medicine Kishwaukee Hospital DeKalb $3,355.11 not published

All Illinois hospitals for this procedure →