Knee Replacement Surgery Cost in Illinois (2026)
Close to the national average · RPP 101.2 · IL
What Drives Pricing Here
Three factors explain most of why knee replacement surgery costs what it does in Illinois.
Regional Price Parity
Illinois's cost-of-living index sits at 101.2 — near the national benchmark (100). This directly scales facility and staffing overhead, which flow through to every procedure price.
Specialist Availability
137 facilities perform this procedure in Illinois — competition keeps pricing honest and gives you real leverage to shop quotes.
Vs. National Benchmark
Illinois tracks within 1.2% of the national average ($35,000) — a typical mid-market pricing environment with wide provider variance.
Knee Replacement Surgery in Illinois: What to Know
Illinois offers excellent options for knee replacement surgery. Rush University Medical Center in Chicago boasts a "High Performing" rating from U.S. News & World Report for knee replacement. For high-volume expertise, Midwest Orthopaedics at Rush performs up to 800 knee replacements annually, the most in Illinois. Silver Cross Hospital in New Lenox is a Blue Distinction Center, offering Mako™ robotic-arm assisted surgery, unique in Will & Grundy Counties. Northwestern Medicine also provides top-ranked orthopaedic programs across Chicagoland.
To potentially reduce costs, consider ambulatory surgery centers (ASCs) in Illinois, like those affiliated with Midwest Orthopaedics at Rush, for same-day procedures which often have lower infection rates and shorter stays. While Illinois's average cost is slightly above the national average, exploring options in neighboring states might also present savings. Verify current pricing directly with providers.
Estimated Cost Breakdown in Illinois
Illinois sits near the middle of the pack for knee replacement surgery pricing. The cost components typically split like this.
Facility Fee
OR time and hospital staffing
Most significant cost
Surgeon Fee
Expertise and experience level
Implants & Supplies
Post-Op Care
Recovery and aftercare
Anesthesia
Anesthesiologist or CRNA fee
Total Estimated Cost
Illinois all-in range
Financing Options
Many Illinois clinics partner with CareCredit or Alphaeon. A typical 24-month, 0% APR term on $35,420 looks like:
- Soft credit check — no hard pull
- Instant approval decisions
- HSA/FSA eligible for qualifying cases
Based on CMS Medicare data and regional price parities. Learn about our methodology →
Ranges adjusted for Illinois's regional price parity (101.2). See the national percentage breakdown →
Facility Costs in Illinois
You can get knee replacement surgery at hospitals or ambulatory surgery centers across Illinois. The table below shows real negotiated rates from CMS Medicare data — not sticker prices.
| Facility | City | Negotiated Rate | Medicare | Volume |
|---|---|---|---|---|
| Northshore University Healthsystem Evanston Hosp | Evanston | $12,946 | $11,345 | 1,383 |
| Uchicago Medicine Adventhealth La Grange | La Grange | $13,180 | $11,578 | 1,238 |
| Rush University Medical Center | Chicago | $13,176 | $11,573 | 724 |
| Carle Health Proctor Hospital | Peoria | $11,666 | $10,064 | 649 |
| Northwestern Memorial Hospital | Chicago | $13,218 | $11,617 | 638 |
| Advocate Lutheran General Hospital | Park Ridge | $12,898 | $11,297 | 586 |
| Northwestern Medicine Central Dupage Hospital | Winfield | $13,089 | $11,486 | 519 |
| Northwestern Medicine Mchenry Hospital | Mchenry | $13,003 | $11,401 | 501 |
| Sarah Bush Lincoln Health Center | Mattoon | $12,243 | $10,642 | 492 |
| Silver Cross Hospital And Medical Centers | New Lenox | $12,895 | $11,294 | 427 |
| Facility | City | Negotiated Rate | Medicare | Volume |
|---|---|---|---|---|
| Northshore University Healthsystem Evanston Hosp | Evanston | $16,082 | $13,916 | 470 |
| Elmhurst Memorial Hospital | Elmhurst | $14,191 | $11,676 | 401 |
| Northwest Community Hospital 1 | Arlington Heights | $14,483 | $11,641 | 230 |
| Edward Hospital | Naperville | $14,849 | $11,111 | 179 |
| Good Samaritan Regional Hlth Center | Mount Vernon | $13,533 | $11,366 | 163 |
| Northwestern Memorial Hospital | Chicago | $20,669 | $15,975 | 128 |
| St Alexius Medical Center | Hoffman Estates | $14,925 | $12,838 | 121 |
| Sarah Bush Lincoln Health Center | Mattoon | $14,807 | $11,188 | 105 |
| Northwestern Medicine Mchenry Hospital | Mchenry | $15,314 | $12,993 | 103 |
| Rush University Medical Center | Chicago | $24,609 | $18,049 | 99 |
Knee Replacement Surgery Cost in Nearby States
Knee Replacement Surgery pricing in Illinois is typical nationally, though nearby states offer slightly lower rates.
Expert Answers for Illinois Patients
Local regulations, insurance nuance, and surgical standards specific to Illinois.
Compare Illinois with any other state
See national pricing, all 50 state comparisons, and detailed cost factors in the main knee replacement surgery cost guide.
View full knee replacement surgery guideWhat should I expect to pay for knee replacement surgery in Illinois?
Can I use insurance for knee replacement surgery in Illinois?
When can I return to work after knee replacement surgery?
What payment options exist for knee replacement surgery in Illinois?
How do I compare knee replacement surgery facilities in Illinois?
Can I save by getting knee replacement surgery in a neighboring state?
Can Medicaid help pay for knee replacement surgery in Illinois?
How we calculate knee replacement surgery costs in Illinois
Cost estimates combine procedure-specific pricing data with regional cost-of-living and provider-supply adjustments. Primary sources:
-
•
Hospital pricing transparency files — CMS-required machine-readable data published by hospitals under the CMS Hospital Price Transparency rule (effective January 2021). Provides actual negotiated rates between hospitals and insurers.
-
•
HCUP (Healthcare Cost & Utilization Project) — AHRQ's HCUP databases provide nationally-representative procedure cost data by state, payer, and patient demographics.
-
•
Bureau of Labor Statistics — Healthcare Practitioner Occupational Wages — BLS OEWS data on surgeon, anesthesiologist, and surgical staff wages by state, used to model regional labor-cost differences in procedure pricing.
-
•
BEA Regional Price Parities (RPP) — U.S. Bureau of Economic Analysis state-level price-level indices, used to adjust national procedure averages for Illinois's cost-of-living relative to the national mean.
-
•
FAIR Health Consumer Cost Lookup — the FAIR Health database aggregates billed and allowed amounts from over 36 billion claim records, providing a check on procedure-cost ranges by ZIP code.
-
•
Medicare Provider Utilization & Payment Data — CMS public-use files on Medicare-allowed amounts and submitted charges by HCPCS/CPT code and state, used as a baseline for procedure-cost ranges.
Estimates are illustrative and reflect typical pricing ranges; actual costs depend on insurance coverage, surgical complexity, anesthesia type, hospital vs. ambulatory setting, and individual patient factors. Always confirm pricing directly with providers and your insurance carrier. See our methodology page for full calculation details.