Posted commercial rates at 8 Illinois hospitals, each next to its own Medicare base rate.
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| Hospital | Median across insurers | × Medicare | Insurers | File date |
|---|---|---|---|---|
| Sarah Bush Lincoln Health Center Mattoon | $8,825 | 1.0× | 1 | 2026-06-03 |
| Endeavor Health Northwest Community Hospital Arlington Heights | $10,669 | 1.3× | 3 | 2026-04-01 |
| Endeavor Health Edward Hospital Naperville | $12,315 | 1.4× | 3 | 2026-04-01 |
| Endeavor Health Elmhurst Hospital Elmhurst | $13,657 | 1.6× | 3 | 2026-04-01 |
| Endeavor Health Evanston Hospital Evanston | $15,679 | 1.9× | 3 | 2026-04-01 |
| Loyola University Medical Center Maywood | $16,622 | 2.0× | 4 | 2026-03-31 |
| Rush University Medical Center Chicago | $16,963 | 2.0× | 4 | 2026-09-25 |
| University of Chicago Medical Center Chicago | $20,603 | 2.4× | 5 | 2026-04-01 |
| Hospital | Median across insurers | × Medicare | Insurers | File date |
|---|---|---|---|---|
| Sarah Bush Lincoln Health Center Mattoon | $6,716 | 1.0× | 1 | 2026-06-03 |
| Endeavor Health Northwest Community Hospital Arlington Heights | $8,159 | 1.3× | 3 | 2026-04-01 |
| Endeavor Health Edward Hospital Naperville | $9,418 | 1.5× | 3 | 2026-04-01 |
| Endeavor Health Elmhurst Hospital Elmhurst | $10,445 | 1.6× | 3 | 2026-04-01 |
| Endeavor Health Evanston Hospital Evanston | $11,991 | 1.9× | 3 | 2026-04-01 |
| Loyola University Medical Center Maywood | $12,716 | 2.0× | 4 | 2026-03-31 |
| Rush University Medical Center Chicago | $12,909 | 2.0× | 4 | 2026-09-25 |
| University of Chicago Medical Center Chicago | $15,680 | 2.4× | 5 | 2026-04-01 |
| Hospital | Median across insurers | × Medicare | Insurers | File date |
|---|---|---|---|---|
| Sarah Bush Lincoln Health Center Mattoon | $5,115 | 1.0× | 1 | 2026-06-03 |
| Endeavor Health Northwest Community Hospital Arlington Heights | $6,147 | 1.3× | 3 | 2026-04-01 |
| Endeavor Health Edward Hospital Naperville | $7,095 | 1.4× | 3 | 2026-04-01 |
| Endeavor Health Elmhurst Hospital Elmhurst | $7,868 | 1.6× | 3 | 2026-04-01 |
| Endeavor Health Evanston Hospital Evanston | $9,034 | 1.8× | 3 | 2026-04-01 |
| Loyola University Medical Center Maywood | $9,580 | 1.9× | 4 | 2026-03-31 |
| Rush University Medical Center Chicago | $9,831 | 2.0× | 4 | 2026-09-25 |
| University of Chicago Medical Center Chicago | $11,941 | 2.4× | 5 | 2026-04-01 |
8 Illinois hospitals post usable commercial rates for copd flare (hospital stay) in their federal price-transparency files. For inpatient stay (MS-DRG 190), the median across 8 hospitals is $14,668, 1.7× each hospital's local Medicare base rate. Your share depends on your plan's deductible and coinsurance; the surgeon and anesthesia bill separately.