All procedures / Diagnostic Colonoscopy / Chicago, IL
Across 13 hospitals in the Chicago, IL area that publish federally required price files, the median negotiated PPO rate is $1,995, the median HMO rate is $2,273, the median self-pay (cash) price is $2,238 for a diagnostic colonoscopy (CPT family 45378). The Medicare outpatient baseline for the same procedure family is $950.
Source: hospital machine-readable files (45 CFR §180), file dates 2025-08-01 to 2026-07-22 · Medicare baseline: CMS OPPS Addendum B · Data extracted 2026-10-06 · Page updated 2026-10-15
| Hospital | PPO | HMO | Commercial | Medicare Adv. | ACA Exchange | Medicare | Cash | List (gross) |
|---|---|---|---|---|---|---|---|---|
| Mercy Hospital Aurora Aurora · file updated n/a | $3210.3× Medicare | $3210.3× Medicare | — | $3560.4× Medicare | $2610.3× Medicare | $3560.4× Medicare | $909 | $1,399 |
| Elmhurst Memorial Hospital Elmhurst · CMS 3★ · file updated 2026-04-01 | $7350.8× Medicare | — | $4,1344.4× Medicare | — | — | $9961.0× Medicare | — | — |
| Edward Hospital Naperville · CMS 3★ · file updated 2026-04-01 | $7350.8× Medicare | — | $2,6032.7× Medicare | — | — | $9961.0× Medicare | — | — |
| Roseland Community Hospital Chicago · CMS 1★ · file updated 2026-07-01 | $8920.9× Medicare | $8920.9× Medicare | — | $9961.0× Medicare | $9961.0× Medicare | — | $1,236 | $2,177 |
| Loyola University Medical Center Maywood · CMS 2★ · file updated n/a | $1,8221.9× Medicare | $2,0962.2× Medicare | — | $9781.0× Medicare | $1,2211.3× Medicare | — | $1,063 | $4,622 |
| Loyola Gottlieb Memorial Hospital Melrose Park · CMS 3★ · file updated n/a | $1,9042.0× Medicare | $1,7361.8× Medicare | — | $9881.0× Medicare | $1,1161.2× Medicare | — | $878 | $4,622 |
| Advocate Christ Hospital & Medical Center Oak Lawn · CMS 3★ · file updated 2025-11-04 | $2,0862.2× Medicare | $6,1816.5× Medicare | $1,9822.1× Medicare | $1,4011.5× Medicare | — | — | — | — |
| Essentia Health Northern Pines Medical Center Aurora · file updated n/a | $2,1902.3× Medicare | — | $2,2052.3× Medicare | $1,1021.2× Medicare | — | $1,1021.2× Medicare | $2,089 | $2,827 |
| South Shore Hospital Chicago · file updated n/a | $3,2403.4× Medicare | $3,6983.9× Medicare | — | $1,0551.1× Medicare | $1,7571.8× Medicare | $1,0451.1× Medicare | $3,675 | — |
| Rush Oak Park Hospital Oak Park · CMS 4★ · file updated 2026-07-22 | $3,3093.5× Medicare | $3,2533.4× Medicare | $2,8593.0× Medicare | $5,5155.8× Medicare | $1,3551.4× Medicare | — | $2,757 | $5,515 |
| Rush University Medical Center Chicago · CMS 5★ · file updated 2026-07-22 | $3,6783.9× Medicare | $3,2003.4× Medicare | $2,5432.7× Medicare | $4,7775.0× Medicare | $1,3551.4× Medicare | — | $2,388 | $4,777 |
| University Of Illinois Hospital And Clinics Chicago · CMS 4★ · file updated 2025-08-01file >12 mo old | $4,6544.9× Medicare | $2,0032.1× Medicare | — | $9501.0× Medicare | — | $9501.0× Medicare | $4,494 | $6,420 |
| Insight Hospital And Medical Center Chicago Chicago · CMS 1★ · file updated 2026-06-25 | — | $2,4502.6× Medicare | — | — | — | $2,1002.2× Medicare | $2,800 | $3,500 |
Each figure is the median of that hospital's published rates for the procedure's code family under that plan type. "×Medicare" compares to the CMS national outpatient rate. Blank cells mean the hospital's file discloses no dollar rate for that plan type.
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