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 |
|---|---|---|---|---|
| Endeavor Health Northwest Community Hospital Arlington Heights | $3,811 | 1.1× | 3 | 2026-04-01 |
| Northwestern Memorial Hospital Chicago | $4,250 | 1.2× | 1 | 2026-04-01 |
| Endeavor Health Edward Hospital Naperville | $4,666 | 1.3× | 2 | 2026-04-01 |
| Endeavor Health Elmhurst Hospital Elmhurst | $5,363 | 1.5× | 2 | 2026-04-01 |
| Endeavor Health Evanston Hospital Evanston | $5,908 | 1.7× | 2 | 2026-04-01 |
| Advocate Christ Medical Center Oak Lawn | $7,295 | 2.0× | 1 | 2025-11-04 |
| Advocate Lutheran General Hospital Park Ridge | $7,295 | 2.0× | 1 | 2025-11-04 |
| University of Chicago Medical Center Chicago | $7,543 | 2.1× | 2 | 2026-04-01 |
8 Illinois hospitals post usable commercial rates for tonsillectomy (age 12+) in their federal price-transparency files. For CPT 42826, hospital outpatient, the median across 8 hospitals is $5,636, 1.6× each hospital's local Medicare base rate. Your share depends on your plan's deductible and coinsurance; the surgeon and anesthesia bill separately.