All procedures / Diagnostic Colonoscopy / Portland, OR–WA
Across 11 hospitals in the Portland, OR–WA area that publish federally required price files, the median negotiated rate under commercial insurance is $4,275 (middle half of hospitals: $4,275–$5,198) and the median self-pay (cash) price is $2,485 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 2026-04-01 to 2026-05-26 · Medicare baseline: CMS OPPS Addendum B · Data extracted 2026-10-31 · Page updated 2026-10-31
Area covered: hospitals in Multnomah, Washington and Clackamas counties (OR) and Clark County (WA). Hospitals outside these places are not in this table, even if they serve the area.
| Hospital | Insured median | PPO | HMO | Commercial | Medicare Adv. | ACA Exchange | Medicare | Cash | List (gross) |
|---|---|---|---|---|---|---|---|---|---|
| Kaiser Sunnyside Medical Center Clackamas · CMS 4★ · file updated 2026-04-01 | $2,335 | — | — | $2,3352.5× Medicare | — | — | $7870.8× Medicare | $2,485 | $2,924 |
| Kaiser Foundation Hospital Westside Hillsboro · CMS 4★ · file updated 2026-04-01 | $2,335 | — | — | $2,3352.5× Medicare | — | — | $7870.8× Medicare | $2,485 | $2,924 |
| Legacy Emanuel Medical Center Portland · CMS 3★ · file updated 2026-04-01 | $4,275 | — | — | $4,2754.5× Medicare | — | — | $1,0951.2× Medicare | — | — |
| Legacy Good Samaritan Medical Center Portland · CMS 4★ · file updated 2026-04-01 | $4,275 | — | — | $4,2754.5× Medicare | — | — | $1,0951.2× Medicare | — | — |
| Legacy Mount Hood Medical Center Gresham · CMS 3★ · file updated 2026-04-01 | $4,275 | — | — | $4,2754.5× Medicare | — | — | $1,0951.2× Medicare | — | — |
| Legacy Meridian Park Medical Center Tualatin · CMS 2★ · file updated 2026-04-01 | $4,275 | — | — | $4,2754.5× Medicare | — | — | $1,0951.2× Medicare | — | — |
| Legacy Salmon Creek Medical Center Vancouver · CMS 4★ · file updated 2026-04-01 | $4,781 | — | — | $4,7815.0× Medicare | — | — | $1,1081.2× Medicare | — | — |
| Providence Willamette Falls Medical Center Oregon City · CMS 4★ · file updated 2026-04-01 | $5,197 | $7,3557.7× Medicare | — | $5,1975.5× Medicare | — | $1,8912.0× Medicare | $1,1061.2× Medicare | — | — |
| Providence Portland Medical Center Portland · CMS 4★ · file updated 2026-04-01 | $5,197 | $7,3557.7× Medicare | — | $5,1975.5× Medicare | — | $1,8912.0× Medicare | $1,1061.2× Medicare | — | — |
| Providence Milwaukie Hospital Milwaukie · CMS 3★ · file updated 2026-04-01 | $5,197 | $7,3557.7× Medicare | — | $5,1975.5× Medicare | — | $1,8912.0× Medicare | $1,1061.2× Medicare | — | — |
| Adventist Health Portland Portland · CMS 4★ · file updated 2026-05-26 | $5,476 | — | $5,4765.8× Medicare | $2,3192.4× Medicare | $1,0951.2× Medicare | — | — | $1,124 | $3,514 |
Each figure is the median of that hospital's published rates for the procedure's code family under that plan type. "Insured median" is the median of the hospital's commercial-plan rates (PPO, HMO, EPO, POS, ACA marketplace and plans not labelled by type); the headline figure is the median of that column. Hospitals label plan types differently, so compare the Insured median column across hospitals rather than a single plan-type column. "×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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