Posted commercial rates at 10 Illinois hospitals, each next to its own Medicare base rate.
Open in the explorerAll statesEvery bill for the whole procedure
| Hospital | Median across insurers | × Medicare | Insurers | File date |
|---|---|---|---|---|
| Loyola University Medical Center Maywood | $1,627 | 0.8× | 1 | 2026-03-31 |
| Endeavor Health Northwest Community Hospital Arlington Heights | $2,666 | 1.3× | 3 | 2026-04-01 |
| Endeavor Health Edward Hospital Naperville | $3,014 | 1.4× | 2 | 2026-04-01 |
| Endeavor Health Elmhurst Hospital Elmhurst | $3,712 | 1.8× | 2 | 2026-04-01 |
| Endeavor Health Evanston Hospital Evanston | $4,038 | 1.9× | 3 | 2026-04-01 |
| Northwestern Memorial Hospital Chicago | $6,375 | 3.0× | 1 | 2026-04-01 |
| University of Chicago Medical Center Chicago | $6,703 | 3.2× | 2 | 2026-04-01 |
| Advocate Christ Medical Center Oak Lawn | $7,295 | 3.5× | 1 | 2025-11-04 |
| Advocate Lutheran General Hospital Park Ridge | $7,295 | 3.5× | 1 | 2025-11-04 |
| Alton Memorial Hospital Alton | $8,428 | 4.0× | 5 | 2025-12-15 |
10 Illinois hospitals post usable commercial rates for carpal tunnel release in their federal price-transparency files. For CPT 64721, hospital outpatient, the median across 10 hospitals is $5,207, 2.5× each hospital's local Medicare base rate. Your share depends on your plan's deductible and coinsurance; the surgeon and anesthesia bill separately.