Knee replacement cost in Illinois

Prices at 81 hospitals in Illinois, from their machine-readable files. Here the median cash price is $87,451 — 140% above the US median ($36,483), roughly 4.8× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Amita Health Resurrection Medical Center Chicago, IL $22,488 $24,194 ★ 3/5 186 min
Community First Medical Center Chicago, IL $26,604 $15,658 ★ 2/5 235 min
Rush Oak Park Hospital Oak Park, IL $34,193 $21,829 ★ 4/5 232 min
Alton Memorial Hospital Alton, IL $45,021 $24,676 ★ 4/5 196 min
Rush University Medical Center Chicago, IL $47,849 $35,866 ★ 5/5 370 min
Hammond Henry Hospital Geneseo, IL $51,697 $22,322 108 min
HSHS St Elizabeth's Hospital O Fallon, IL $52,804 $29,765 ★ 4/5 162 min
Sarah Bush Lincoln Health Center Mattoon, IL $57,059 $42,853 ★ 3/5 210 min
Palos Community Hospital Palos Heights, IL $79,192 $22,932 ★ 4/5 252 min
University of Illinois Hospital and Clinics Chicago, IL $87,451 $3,012 ★ 4/5 298 min
Northwestern Medicine McHenry Mchenry, IL $91,232 ★ 5/5 194 min
Northwestern Lake Forest Hospital Lake Forest, IL $91,232 ★ 5/5 221 min
Northwestern Medicine Delnor Community Hospital Geneva, IL $91,232 ★ 5/5 212 min
Northwestern Medicine Central Dupage Hospital Winfield, IL $91,232 ★ 5/5 230 min
Northwestern Memorial Hospital Chicago, IL $91,232 ★ 5/5 350 min
Northwestern Medicine Kishwaukee Hospital Dekalb, IL $91,232 ★ 5/5 197 min
Ann & Robert H Lurie Childrens Hospital of Chicago Chicago, IL $160,170 $171,610
Larabida Childrens Hospital I Chicago, IL $160,170 $171,610
Vista Medical Center East Waukegan, IL $201,468 $22,724 ★ 2/5 189 min
Lake Behavioral Hospital Waukegan, IL $201,468 $22,724

CMS rating = overall hospital star rating (1–5); ER wait = median minutes in the emergency department; Readmit = 30-day readmission rate (lower is better) — all from Medicare’s Care Compare; “—” = not reported. Data last updated September 2026. Prices from hospitals’ machine-readable files (45 CFR §180); Medicare benchmark from CMS PFS/CLFS/IPPS. Prices below 15% of the median are excluded as likely partial or mis-coded charges. Estimates — confirm with the hospital. Report an incorrect price.

Price comparison (median)

Chargemaster (list price)
$127,630
Cash / self-pay
$87,451
Insurer-negotiated
$24,743
Medicare pays
$18,054
$26,604$160,170
Median cash $87,451  ·  Medicare $18,054  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $87,451 — about 4.8× the Medicare rate ($18,054). High vs Medicare. A fair cash price is usually within ~2× Medicare ($36,108).

💡 Asking for the cash price instead of the $127,630 list price could save about $40,179 (31%).

Estimate what you’ll pay
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Rough estimate from this procedure’s median insurer-negotiated rate. Your actual cost depends on your plan — confirm with your insurer.

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Knee replacement cost in other states

All Knee replacement prices (national) → · All hospitals in Illinois →