Weight-loss (bariatric) surgery cost in Illinois

Prices at 74 hospitals in Illinois, from their machine-readable files. Here the median cash price is $58,219 — 127% above the US median ($25,657), roughly 5.0× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Amita Health Resurrection Medical Center Chicago, IL $14,665 $18,368 ★ 3/5 184 min 14.0%
Warner Hospital and Health Services Clinton, IL $22,564 $13,080
Rush Oak Park Hospital Oak Park, IL $23,257 $12,079 ★ 4/5 231 min 14.9%
Community First Medical Center Chicago, IL $25,428 $22,983 ★ 2/5 233 min 15.7%
Rush University Medical Center Chicago, IL $30,503 $24,283 ★ 5/5 358 min 16.4%
Alton Memorial Hospital Alton, IL $35,461 $25,313 ★ 4/5 194 min 15.1%
University of Illinois Hospital and Clinics Chicago, IL $36,376 $5,490 ★ 4/5 319 min 15.9%
Sarah Bush Lincoln Health Center Mattoon, IL $52,474 $38,831 ★ 3/5 210 min 14.9%
Ann & Robert H Lurie Childrens Hospital of Chicago Chicago, IL $63,963 $77,247
Larabida Childrens Hospital I Chicago, IL $63,963 $77,247
Northwestern Medicine McHenry Mchenry, IL $91,485 ★ 5/5 191 min 15.0%
Northwestern Lake Forest Hospital Lake Forest, IL $91,485 ★ 5/5 220 min 14.7%
Northwestern Medicine Delnor Community Hospital Geneva, IL $91,485 ★ 5/5 211 min 14.0%
Northwestern Medicine Central Dupage Hospital Winfield, IL $91,485 ★ 5/5 230 min 15.1%
Northwestern Memorial Hospital Chicago, IL $91,485 ★ 5/5 327 min 15.0%
Northwestern Medicine Kishwaukee Hospital Dekalb, IL $91,485 ★ 5/5 197 min 14.2%

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 August 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)
$91,376
Cash / self-pay
$58,219
Insurer-negotiated
$21,348
Medicare pays
$11,645
$22,911$91,485
Median cash $58,219  ·  Medicare $11,645  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $58,219 — about 5.0× the Medicare rate ($11,645). High vs Medicare. A fair cash price is usually within ~2× Medicare ($23,290).

💡 Asking for the cash price instead of the $91,376 list price could save about $33,158 (36%).

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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Weight-loss (bariatric) surgery cost in other states

All Weight-loss (bariatric) surgery prices (national) → · All hospitals in Illinois →