Implant cartilage 10mm synthetic 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

$118,371.71

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.

$169,102.45

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.

$265.47 with AETNA HEALTH PLAN [171] vs $1,599.22 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 $265.47 ↓ -100%
CIGNA HEALTH PLAN [178] NLFH CIGNA ALTERNATIVE $335.84 ↓ -100%
ALTERNATE BLUE CROSS [1402] NLFH BCBS HMO $338.87 ↓ -100%
BLUE CROSS BLUE SHIELD [1401] NLFH BCBS HMO $338.87 ↓ -100%
BLUE CROSS BLUE SHIELD [1401] NLFH BCBS BLUECHOICE PREFERRED $374.22 ↓ -100%
BLUE CROSS BLUE SHIELD [1401] NLFH BCBS BLUECHOICE SELECT $374.22 ↓ -100%
BLUE CROSS BLUE SHIELD [1401] NLFH BCBS BLUECHOICE OPTIONS $374.22 ↓ -100%
ALTERNATE BLUE CROSS [1402] NLFH BCBS PPO $436.59 ↓ -100%
BLUE CROSS BLUE SHIELD [1401] NLFH BCBS PPO $436.59 ↓ -100%
AETNA HEALTH PLAN [171] NLFH AETNA $687.66 ↓ -99%
BLUE CROSS BLUE SHIELD [1401] NLFH BC LAKE COUNTY PHYS ASSOC IPA $719.65 ↓ -99%
AETNA HEALTH PLAN [171] NLFH AETNA ASA $727.65 ↓ -99%
UNITED HEALTHCARE [158] NLFH UHC CORE $758.03 ↓ -99%
CIGNA HEALTH PLAN [178] NLFH CIGNA BROAD $777.22 ↓ -99%
HEALTHLINK [125] NLFH SEIU HEALTHLINK $799.61 ↓ -99%
UNITED HEALTHCARE [158] NLFH UHC HMO/PPO $842.79 ↓ -99%
HEALTH'S FINEST NETWORK [126] NLFH HFN PLATINUM/CHC ELITE $1,021.90 ↓ -99%
THE ALLIANCE [1703] NLFH THE ALLIANCE $1,027.18 ↓ -99%
FIRST HEALTH PLAN [6034] NLFH FIRST HEALTH $1,231.40 ↓ -99%
BEECHSTREET [176] NLFH PHCS $1,279.38 ↓ -99%
MULTIPLAN/PHCS [142] NLFH PHCS $1,279.38 ↓ -99%
HEALTH'S FINEST NETWORK [126] NLFH HFN PPO $1,439.30 ↓ -99%
BLUE CROSS BLUE SHIELD [1401] NLFH BCBS PAR/INDEMNITY ADP $1,599.22 ↓ -99%
MULTIPLAN/PHCS [142] NLFH NON-CONTRACTED PAYORS $1,599.22 ↓ -99%
UNITED HEALTHCARE [158] NLFH UHC NON-CONTRACTED OON - ED ONLY $1,599.22 ↓ -99%
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
HUMANA HEALTH PLAN [130] NLFH ADVOCATE IPA not published by hospital
BLUE CROSS BLUE SHIELD [1401] NLFH ADVOCATE IPA not published by hospital
GLOBAL EXCEL [1712] NLFH MEDICARE not published by hospital

Visitor-reported prices

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Implant cartilage 10mm synthetic at other Illinois hospitals

Hospital City Cash price Negotiated range
MercyOne Genesis Silvis Medical Center Silvis $12,203.40 $144.00 – $391.50
MercyOne Genesis Aledo Medical Center Aledo $12,203.40 $202.50 – $211.50
Northwestern Memorial Hospital Chicago $95,139.31 not published
Advocate Good Samaritan Hospital Downers Grove $2,425.00 $1,349.92 – $3,233.34
UnityPoint Health - Trinity Moline Rock Island $2,797.04 $947.50 – $1,842.55
Advocate Illinois Masonic Medical Center Chicago $5,802.50 $1,377.55 – $4,854.80
Advocate Childrens Hospital - Park Ridge Park Ridge $5,802.50 $1,163.92 – $2,668.00
Ascension Saint Joseph - Chicago (Presence Chicago Hospital Network) Chicago $1,380.42 $3,935.97 – $3,935.97

All Illinois hospitals for this procedure →