Posted commercial rates at 55 Illinois hospitals, each next to its own Medicare base rate.
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| Hospital | Median across insurers | × Medicare | Insurers | File date |
|---|---|---|---|---|
| Morris Hospital & Healthcare Centers Morris | $9,402 | 0.9× | 2 | 2026-06-30 |
| Northwestern Medicine Delnor Community Hospital Geneva | $10,575 | 1.0× | 1 | 2026-04-01 |
| Northwestern Medicine Mchenry Hospital McHenry | $10,954 | 1.0× | 2 | 2026-04-01 |
| Sarah Bush Lincoln Health Center Mattoon | $11,129 | 1.0× | 1 | 2026-06-03 |
| Decatur Memorial Hospital Decatur | $11,867 | 1.1× | 12 | 2026-09-17 |
| Alexian Brothers Medical Center 1 Elk Grove Village | $11,936 | 1.1× | 4 | 2026-01-01 |
| St Alexius Medical Center Hoffman Estates | $12,425 | 1.2× | 1 | 2026-01-01 |
| Trinity Rock Island Rock Island | $12,630 | 1.2× | 5 | 2026-01-28 |
| Ingalls Memorial Hospital Harvey | $12,920 | 1.2× | 5 | 2026-04-01 |
| Riverside Medical Center Kankakee | $12,956 | 1.2× | 1 | 2026-03-15 |
| Swedish Hospital Chicago | $13,368 | 1.3× | 3 | 2026-04-01 |
| Endeavor Health Northwest Community Hospital Arlington Heights | $13,387 | 1.3× | 3 | 2026-04-01 |
| Mercy Medical Center Aurora | $14,146 | 1.3× | 4 | 2026-09-01 |
| Rush Oak Park Hospital Oak Park | $14,214 | 1.3× | 4 | 2026-09-26 |
| Saint Francis Hospital-Evanston Evanston | $14,216 | 1.3× | 5 | 2026-09-01 |
| Roseland Community Hospital Chicago | $14,288 | 1.3× | 1 | 2026-07-01 |
| Presence Saint Joseph Hospital - Chicago Chicago | $14,521 | 1.4× | 3 | 2026-01-01 |
| Uchicago Medicine Adventhealth La Grange La Grange | $14,665 | 1.4× | 5 | 2026-04-01 |
| Uchicago Medicine Adventhealth Glenoaks Glendale Heights | $14,665 | 1.4× | 5 | 2026-04-01 |
| Mt Sinai Hospital Medical Center Chicago | $15,023 | 1.4× | 9 | 2026-09-22 |
| Carle Health Methodist Hospital Peoria | $15,164 | 1.4× | 5 | 2026-04-15 |
| Community First Medical Center Chicago | $15,365 | 1.4× | 5 | 2026-04-01 |
| Carle Health Proctor Hospital Peoria | $15,384 | 1.4× | 5 | 2026-04-15 |
| Carle Health Pekin Hospital Pekin | $15,384 | 1.4× | 5 | 2026-04-15 |
| Endeavor Health Edward Hospital Naperville | $15,452 | 1.4× | 3 | 2026-04-01 |
| Uchicago Medicine Adventhealth Bolingbrook Bolingbrook | $15,490 | 1.4× | 6 | 2026-04-01 |
| Holy Cross Hospital Chicago | $15,850 | 1.5× | 7 | 2026-09-22 |
| Northwestern Lake Forest Hospital Lake Forest | $16,588 | 1.6× | 1 | 2026-04-01 |
| Carle Eureka Hospital Eureka | $16,738 | 1.6× | 5 | 2026-04-15 |
| Uchicago Medicine Adventhealth Hinsdale Hinsdale | $16,810 | 1.6× | 7 | 2026-04-01 |
| Endeavor Health Elmhurst Hospital Elmhurst | $17,136 | 1.6× | 3 | 2026-04-01 |
| Advocate Sherman Hospital Elgin | $17,381 | 1.6× | 5 | 2025-11-04 |
| Loyola Gottlieb Memorial Hospital Melrose Park | $17,571 | 1.6× | 5 | 2026-03-31 |
| Advocate Condell Medical Center Libertyville | $17,869 | 1.7× | 4 | 2025-11-04 |
| Alton Memorial Hospital Alton | $18,042 | 1.7× | 6 | 2025-12-15 |
| Northwestern Medicine Central DuPage Hospital Winfield | $18,568 | 1.7× | 1 | 2026-04-01 |
| Endeavor Health Evanston Hospital Evanston | $19,674 | 1.8× | 3 | 2026-04-01 |
| Deaconess Illinois Medical Center Marion | $19,974 | 1.9× | 6 | 2026-02-03 |
| Loyola University Medical Center Maywood | $20,864 | 1.9× | 4 | 2026-03-31 |
| Northwestern Medicine Kishwaukee Hospital Dekalb | $20,893 | 1.9× | 1 | 2026-04-01 |
| Rush University Medical Center Chicago | $21,390 | 2.0× | 4 | 2026-09-25 |
| Jacksonville Memorial Hospital Jacksonville | $21,596 | 2.0× | 3 | 2026-09-17 |
| Advocate Illinois Masonic Medical Center Chicago | $21,768 | 2.0× | 4 | 2025-11-04 |
| West Suburban Medical Center Oak Park | $21,888 | 2.0× | 4 | 2025-03-17 |
| Hoopeston Community Memorial Hospital Hoopeston | $22,554 | 2.1× | 1 | 2026-04-15 |
| Advocate Good Shepherd Hospital Barrington | $22,918 | 2.1× | 4 | 2025-11-04 |
| Advocate Trinity Hospital Chicago | $23,046 | 2.1× | 4 | 2025-11-04 |
| Advocate Good Samaritan Hospital Downers Grove | $23,046 | 2.1× | 4 | 2025-11-04 |
| The Carle Foundation Hospital Urbana | $23,641 | 2.2× | 4 | 2026-04-15 |
| St Marys Hospital Decatur | $23,720 | 2.2× | 2 | 2025-01-01 |
| Advocate Christ Medical Center Oak Lawn | $23,830 | 2.2× | 4 | 2025-11-04 |
| Advocate Lutheran General Hospital Park Ridge | $23,830 | 2.2× | 4 | 2025-11-04 |
| Deaconess Illinois Crossroads Mount Vernon | $25,766 | 2.4× | 4 | 2026-02-03 |
| University of Chicago Medical Center Chicago | $25,980 | 2.4× | 5 | 2026-04-01 |
| Taylorville Memorial Hospital Taylorville | $44,889 | 4.2× | 1 | 2026-09-17 |
55 Illinois hospitals post usable commercial rates for psychiatric hospital stay (psychoses) in their federal price-transparency files. For inpatient stay (MS-DRG 885), the median across 55 hospitals is $16,588, 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.