Posted commercial rates at 13 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 | $6,421 | 1.0× | 1 | 2026-06-03 |
| Endeavor Health Northwest Community Hospital Arlington Heights | $7,788 | 1.3× | 3 | 2026-04-01 |
| Endeavor Health Edward Hospital Naperville | $8,990 | 1.4× | 3 | 2026-04-01 |
| Endeavor Health Elmhurst Hospital Elmhurst | $9,969 | 1.6× | 3 | 2026-04-01 |
| Northwestern Memorial Hospital Chicago | $10,362 | 1.7× | 2 | 2026-04-01 |
| Northwestern Medicine Central DuPage Hospital Winfield | $10,713 | 1.7× | 1 | 2026-04-01 |
| Endeavor Health Evanston Hospital Evanston | $11,446 | 1.9× | 3 | 2026-04-01 |
| Loyola University Medical Center Maywood | $12,138 | 2.0× | 4 | 2026-03-31 |
| Rush University Medical Center Chicago | $12,341 | 2.0× | 4 | 2026-09-25 |
| Alton Memorial Hospital Alton | $13,570 | 2.2× | 5 | 2025-12-15 |
| Advocate Christ Medical Center Oak Lawn | $13,862 | 2.2× | 4 | 2025-11-04 |
| Advocate Lutheran General Hospital Park Ridge | $13,862 | 2.2× | 4 | 2025-11-04 |
| University of Chicago Medical Center Chicago | $14,990 | 2.4× | 5 | 2026-04-01 |
| Hospital | Median across insurers | × Medicare | Insurers | File date |
|---|---|---|---|---|
| Sarah Bush Lincoln Health Center Mattoon | $10,472 | 1.0× | 1 | 2026-06-03 |
| Endeavor Health Northwest Community Hospital Arlington Heights | $12,516 | 1.2× | 3 | 2026-04-01 |
| Endeavor Health Edward Hospital Naperville | $14,447 | 1.4× | 3 | 2026-04-01 |
| Endeavor Health Elmhurst Hospital Elmhurst | $16,021 | 1.6× | 3 | 2026-04-01 |
| Endeavor Health Evanston Hospital Evanston | $18,394 | 1.8× | 3 | 2026-04-01 |
| Loyola University Medical Center Maywood | $19,504 | 1.9× | 4 | 2026-03-31 |
| Rush University Medical Center Chicago | $20,128 | 2.0× | 4 | 2026-09-25 |
| University of Chicago Medical Center Chicago | $24,448 | 2.4× | 5 | 2026-04-01 |
| Hospital | Median across insurers | × Medicare | Insurers | File date |
|---|---|---|---|---|
| Sarah Bush Lincoln Health Center Mattoon | $5,007 | 1.0× | 1 | 2026-06-03 |
| Endeavor Health Northwest Community Hospital Arlington Heights | $5,915 | 1.2× | 3 | 2026-04-01 |
| Endeavor Health Edward Hospital Naperville | $6,828 | 1.4× | 3 | 2026-04-01 |
| Endeavor Health Elmhurst Hospital Elmhurst | $7,572 | 1.6× | 3 | 2026-04-01 |
| Endeavor Health Evanston Hospital Evanston | $8,693 | 1.8× | 3 | 2026-04-01 |
| Loyola University Medical Center Maywood | $9,217 | 1.9× | 4 | 2026-03-31 |
| Rush University Medical Center Chicago | $9,624 | 2.0× | 4 | 2026-09-25 |
| University of Chicago Medical Center Chicago | $11,690 | 2.4× | 5 | 2026-04-01 |
13 Illinois hospitals post usable commercial rates for pneumonia (hospital stay) in their federal price-transparency files. For inpatient stay (MS-DRG 194), the median across 13 hospitals is $11,446, 1.9× each hospital's local Medicare base rate. Your share depends on your plan's deductible and coinsurance; the surgeon and anesthesia bill separately.