#1Jefferson Healthcare
Based in WA
Clinical Research Sites in Jefferson County, WA
The top-ranked clinical research sites serving Jefferson County, WA are Jefferson Healthcare, Olympic Medical Center and Olympic Medical Cancer Care Center. We list 14 clinical research sites serving Jefferson County, WA. 14 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 Jefferson County, WA. 14 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 Jefferson County
#2Olympic Medical Center
Serves this area from WA#3Olympic Medical Cancer Care Center
Serves this area from Sequim, WA (28 mi)#4Alkeus Site
Serves this area from Silverdale, WA (39 mi)#5Pacific Northwest Retina
Serves this area from Silverdale, WA (39 mi)#6Pacific NorthWest Retina (Silverdale)
Serves this area from Silverdale, WA (39 mi)#7Saint Joseph Medical Center Hematology and Oncology - Silverdale
Serves this area from Silverdale, WA (39 mi)#8Saint Michael Cancer Center
Serves this area from Silverdale, WA (39 mi)#9Harrison HealthPartners Hematology and Oncology-Poulsbo
Serves this area from WA#10Peninsula Cancer Center
Serves this area from WA
4 more providers serving this area
- Providence Regional Cancer System-Shelton, WA
- Harrison HealthPartners Hematology and Oncology-Bremerton, Enetai, WA (45 mi)
- Harrison Medical Center, Enetai, WA (45 mi)
- Virginia Mason Bainbridge Island Medical Center, Bainbridge Island, WA (48 mi)
Request quotes
Frequently asked questions
How many clinical research sites serve Jefferson County?
We list 14 clinical research sites serving Jefferson County, WA: 1 based there and 13 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 Jefferson County?
The top-ranked clinical research sites serving Jefferson County, WA are Jefferson Healthcare, Olympic Medical Center, Olympic Medical Cancer Care Center, Alkeus Site and Pacific Northwest Retina. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Jefferson County are verified against official records?
10 of the top 10 match an active official record: Jefferson Healthcare (ClinicalTrials.gov), Olympic Medical Center (ClinicalTrials.gov), Olympic Medical Cancer Care Center (ClinicalTrials.gov), Alkeus Site (ClinicalTrials.gov) and Pacific Northwest Retina (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
Port Townsend, Port Hadlock-Irondale, Port Ludlow, Marrowstone, Brinnon, Quilcene