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 | $7,813 | 1.0× | 1 | 2026-06-03 |
| Endeavor Health Northwest Community Hospital Arlington Heights | $9,364 | 1.3× | 3 | 2026-04-01 |
| Endeavor Health Edward Hospital Naperville | $10,808 | 1.4× | 3 | 2026-04-01 |
| Endeavor Health Elmhurst Hospital Elmhurst | $11,986 | 1.6× | 3 | 2026-04-01 |
| Endeavor Health Evanston Hospital Evanston | $13,761 | 1.8× | 3 | 2026-04-01 |
| Loyola University Medical Center Maywood | $14,592 | 1.9× | 4 | 2026-03-31 |
| Rush University Medical Center Chicago | $15,018 | 2.0× | 4 | 2026-09-25 |
| University of Chicago Medical Center Chicago | $18,241 | 2.4× | 5 | 2026-04-01 |
| Hospital | Median across insurers | × Medicare | Insurers | File date |
|---|---|---|---|---|
| Sarah Bush Lincoln Health Center Mattoon | $14,564 | 1.0× | 1 | 2026-06-03 |
| Endeavor Health Northwest Community Hospital Arlington Heights | $17,268 | 1.2× | 3 | 2026-04-01 |
| Endeavor Health Edward Hospital Naperville | $19,932 | 1.4× | 3 | 2026-04-01 |
| Endeavor Health Elmhurst Hospital Elmhurst | $22,104 | 1.6× | 3 | 2026-04-01 |
| Endeavor Health Evanston Hospital Evanston | $25,377 | 1.8× | 3 | 2026-04-01 |
| Loyola University Medical Center Maywood | $26,912 | 1.9× | 4 | 2026-03-31 |
| Rush University Medical Center Chicago | $27,993 | 2.0× | 4 | 2026-09-25 |
| University of Chicago Medical Center Chicago | $34,001 | 2.4× | 5 | 2026-04-01 |
| Hospital | Median across insurers | × Medicare | Insurers | File date |
|---|---|---|---|---|
| Sarah Bush Lincoln Health Center Mattoon | $5,023 | 1.0× | 1 | 2026-06-03 |
| Endeavor Health Northwest Community Hospital Arlington Heights | $6,046 | 1.3× | 3 | 2026-04-01 |
| Endeavor Health Edward Hospital Naperville | $6,979 | 1.4× | 3 | 2026-04-01 |
| Endeavor Health Elmhurst Hospital Elmhurst | $7,739 | 1.6× | 3 | 2026-04-01 |
| Endeavor Health Evanston Hospital Evanston | $8,886 | 1.8× | 3 | 2026-04-01 |
| Loyola University Medical Center Maywood | $9,424 | 1.9× | 4 | 2026-03-31 |
| Rush University Medical Center Chicago | $9,654 | 2.0× | 4 | 2026-09-25 |
| University of Chicago Medical Center Chicago | $11,725 | 2.4× | 5 | 2026-04-01 |
8 Illinois hospitals post usable commercial rates for gi bleeding (hospital stay) in their federal price-transparency files. For inpatient stay (MS-DRG 378), the median across 8 hospitals is $12,874, 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.