#1PeaceHealth Saint John Medical Center
Based in WA
Clinical Research Sites in Cowlitz County, WA
The top-ranked clinical research sites serving Cowlitz County, WA are PeaceHealth Saint John Medical Center, Legacy Medical Group Cardiology and Legacy Salmon Creek Hospital. We list 16 clinical research sites serving Cowlitz County, WA. 16 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 Cowlitz County, WA. 16 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 Cowlitz County
#2Legacy Medical Group Cardiology
Serves this area from Barberton, OR (33 mi)#3Legacy Salmon Creek Hospital
Serves this area from Barberton, WA (33 mi)#4Legacy Salmon Creek Medical Center
Serves this area from Barberton, WA (33 mi)#5Providence Centralia Hospital
Serves this area from WA#6Providence Regional Cancer System-Centralia
Serves this area from WA#7Compass Oncology
Serves this area from Vancouver, WA (40 mi)#8Compass Oncology Vancouver
Serves this area from Vancouver, WA (40 mi)#9Legacy Cancer Institute Medical Oncology and Day Treatment
Serves this area from Vancouver, WA (40 mi)#10Northwest Cancer Specialist, Pc(Us Oncology Research)
Serves this area from Vancouver, WA (40 mi)
6 more providers serving this area
- Northwest Cancer Specialists, Vancouver, WA (40 mi)
- Northwest Cancer Specialists, P.C., Vancouver, WA (40 mi)
- Northwest Cancer Specialists - Vancouver, Vancouver, WA (40 mi)
- PeaceHealth Southwest Medical Center, Vancouver, WA (40 mi)
- The Vancouver Clinic, Vancouver, WA (40 mi)
- The Vancouver Clinic Inc. P.S. - Site Number: 8400090, Vancouver, WA (40 mi)
Request quotes
Frequently asked questions
How many clinical research sites serve Cowlitz County?
We list 16 clinical research sites serving Cowlitz County, WA: 1 based there and 15 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 Cowlitz County?
The top-ranked clinical research sites serving Cowlitz County, WA are PeaceHealth Saint John Medical Center, Legacy Medical Group Cardiology, Legacy Salmon Creek Hospital, Legacy Salmon Creek Medical Center and Providence Centralia Hospital. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Cowlitz County are verified against official records?
10 of the top 10 match an active official record: PeaceHealth Saint John Medical Center (ClinicalTrials.gov), Legacy Medical Group Cardiology (ClinicalTrials.gov), Legacy Salmon Creek Hospital (ClinicalTrials.gov), Legacy Salmon Creek Medical Center (ClinicalTrials.gov) and Providence Centralia Hospital (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
Longview, Kelso, Woodland, Longview Heights, Lexington, Kalama, Castle Rock, Beacon Hill, Ryderwood, Cougar