Posted commercial rates at 8 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 |
|---|---|---|---|---|
| Sarah Bush Lincoln Health Center Mattoon | $213 | 1.0× | 3 | 2026-06-03 |
| Endeavor Health Northwest Community Hospital Arlington Heights | $217 | 1.0× | 3 | 2026-04-01 |
| Loyola University Medical Center Maywood | $239 | 1.1× | 1 | 2026-03-31 |
| University of Chicago Medical Center Chicago | $246 | 1.1× | 1 | 2026-04-01 |
| Endeavor Health Edward Hospital Naperville | $306 | 1.4× | 2 | 2026-04-01 |
| Endeavor Health Evanston Hospital Evanston | $396 | 1.9× | 2 | 2026-04-01 |
| Rush University Medical Center Chicago | $839 | 3.9× | 2 | 2026-09-25 |
| Endeavor Health Elmhurst Hospital Elmhurst | $968 | 4.5× | 2 | 2026-04-01 |
8 Illinois hospitals post usable commercial rates for nasal endoscopy in their federal price-transparency files. For CPT 31231, hospital outpatient, the median across 8 hospitals is $276, 1.3× each hospital's local Medicare base rate. Your share depends on your plan's deductible and coinsurance; the surgeon and anesthesia bill separately.