#1PeaceHealth Saint John Medical Center
Serves this area from WA
Clinical Research Sites in Columbia County, OR
The top-ranked clinical research sites serving Columbia County, OR are PeaceHealth Saint John Medical Center, Kaiser Permanente Westside Medical Center and Legacy Medical Group Cardiology. We list 148 clinical research sites serving Columbia County, OR. 30 of the providers shown match an active record from ClinicalTrials.gov, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
Clinical Research Sites serving Columbia County, OR. 148 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked clinical research sites for Columbia County
#2Kaiser Permanente Westside Medical Center
Serves this area from OR#3Legacy Medical Group Cardiology
Serves this area from Barberton, OR (27 mi)#4Legacy Salmon Creek Hospital
Serves this area from Barberton, WA (27 mi)#5Legacy Salmon Creek Medical Center
Serves this area from Barberton, WA (27 mi)#6OHSU Knight Cancer Institute, Beaverton
Serves this area from Beaverton, OR (31 mi)#7Devers Eye Institute
Serves this area from Portland, OR (32 mi)#8Legacy Devers Eye Institute
Serves this area from Portland, OR (32 mi)#9Legacy Good Samaritan Hospital and Medical Center
Serves this area from Portland, OR (32 mi)#10Legacy Good Samaritan Hospital & Comprehensive Cancer Center
Serves this area from Portland, OR (32 mi)
20 more providers serving this area
- Legacy Good Samaritan Medical Center, Portland, OR (32 mi)
- Northwest Dermatology Institute, Portland, OR (32 mi)
- NW Dermatology Institute, Portland, OR (32 mi)
- OHSU Knight Cancer Institute, Northwest Portland, Portland, OR (32 mi)
- Oregon Dermatology and Research Center, Portland, OR (32 mi)
- Summit Headlands LLC, Portland, OR (32 mi)
- Summit Research Network, Portland, OR (32 mi)
- PeaceHealth Southwest Medical Center, Vancouver, WA (33 mi)
- The Vancouver Clinic, Vancouver, WA (33 mi)
- The Vancouver Clinic Inc. P.S. - Site Number: 8400090, Vancouver, WA (33 mi)
- Compass Oncology Rose Quarter, Portland, OR (34 mi)
- Compass Oncology - Rose Quarter Cancer Center, Portland, OR (34 mi)
- Kaiser Foundation Hospitals, Portland, OR (34 mi)
- Kaiser Permanente Center for Health Research, Portland, OR (34 mi)
- Kaiser Permanente Interstate Medical Office Central, Portland, OR (34 mi)
- Kaiser Permanente Northwest, Portland, OR (34 mi)
- Legacy Emanuel Children's Hospital, Portland, OR (34 mi)
- Legacy Emanuel Hospital & Health Center, Portland, OR (34 mi)
- Legacy Emanuel Medical Center, Portland, OR (34 mi)
- Northwest Cancer Specialists, Portland, OR (34 mi)
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Frequently asked questions
How many clinical research sites serve Columbia County?
We list 148 clinical research sites serving Columbia County, OR: 0 based there and 148 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which clinical research sites serve Columbia County?
The top-ranked clinical research sites serving Columbia County, OR are PeaceHealth Saint John Medical Center, Kaiser Permanente Westside Medical Center, Legacy Medical Group Cardiology, Legacy Salmon Creek Hospital and Legacy Salmon Creek Medical Center. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Columbia County are verified against official records?
10 of the top 10 match an active official record: PeaceHealth Saint John Medical Center (ClinicalTrials.gov), Kaiser Permanente Westside Medical Center (ClinicalTrials.gov), Legacy Medical Group Cardiology (ClinicalTrials.gov), Legacy Salmon Creek Hospital (ClinicalTrials.gov) and Legacy Salmon Creek Medical Center (ClinicalTrials.gov), and 5 more on this page. Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
How do sponsors judge a research site?
Common checks are enrollment history in the indication, experienced coordinators, IRB arrangements, start-up time and data quality. ClinicalTrials.gov shows which studies a site has been listed on.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .
Communities served
St. Helens, Scappoose, Vernonia, Columbia City, Rainier, Warren, Clatskanie, Deer Island, Prescott