#1Ascension St. John Jane Phillips
Based in OK
Clinical Research Sites in Washington County, OK
The top-ranked clinical research sites serving Washington County, OK are Ascension St. John Jane Phillips, Coffeyville Regional Medical Center and Amarillo Urology Research. We list 43 clinical research sites serving Washington County, OK. 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 Washington County, OK. 43 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 Washington County
#2Coffeyville Regional Medical Center
Serves this area from KS#3Amarillo Urology Research
Serves this area from TX#4Cancer Center of Kansas-Independence
Serves this area from KS#5Ascension St. John
Serves this area from Tulsa, OK (39 mi)#6Ascension St. John Medical Center
Serves this area from Tulsa, OK (39 mi)#7Hillcrest Medical Center
Serves this area from Tulsa, OK (39 mi)#8Oklahoma Heart Institute
Serves this area from Tulsa, OK (39 mi)#9Oklahoma Heart Institute at Hillcrest Medical Center
Serves this area from Tulsa, OK (39 mi)#10Oklahoma Heart Institute at Utica
Serves this area from Tulsa, OK (39 mi)
20 more providers serving this area
- Options Health Research, Tulsa, OK (39 mi)
- Saint John Medical Center, Tulsa, OK (39 mi)
- Stephenson Cancer Center- Tulsa, Tulsa, OK (39 mi)
- St John Health System Inc, Tulsa, OK (39 mi)
- St. John Medical Center, Tulsa, OK (39 mi)
- The Orthopaedic Center, Tulsa, OK (39 mi)
- The Movement Disorder Clinic of Oklahoma, Tulsa, OK (40 mi)
- Tulsa Retina Consultant, Tulsa, OK (40 mi)
- Tulsa Retina Consultants, Tulsa, OK (40 mi)
- Oklahoma Cancer Specialists and Research Institute, LLC, Tulsa, OK (42 mi)
- Oklahoma Cancer Specialists and Research Institute-Tulsa, Tulsa, OK (42 mi)
- Tulsa Bone and Joint Associates, Tulsa, OK (42 mi)
- Warren Clinic Oncology-Tulsa, Tulsa, OK (42 mi)
- Laureate Institute for Brain Research, Tulsa, OK (42 mi)
- Lynn Institute of Tulsa, Tulsa, OK (42 mi)
- University of Oklahoma Health Campus, Tulsa, OK (42 mi)
- University of Oklahoma - Schusterman Center, Tulsa, OK (42 mi)
- University of Oklahoma Schusterman Center - Tulsa, Tulsa, OK (42 mi)
- Wound Care of Tulsa, Tulsa, OK (42 mi)
- Central States Research, Tulsa, OK (44 mi)
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Frequently asked questions
How many clinical research sites serve Washington County?
We list 43 clinical research sites serving Washington County, OK: 1 based there and 42 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 Washington County?
The top-ranked clinical research sites serving Washington County, OK are Ascension St. John Jane Phillips, Coffeyville Regional Medical Center, Amarillo Urology Research, Cancer Center of Kansas-Independence and Ascension St. John. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Washington County are verified against official records?
10 of the top 10 match an active official record: Ascension St. John Jane Phillips (ClinicalTrials.gov), Coffeyville Regional Medical Center (ClinicalTrials.gov), Amarillo Urology Research (ClinicalTrials.gov), Cancer Center of Kansas-Independence (ClinicalTrials.gov) and Ascension St. John (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
Bartlesville, Dewey, Copan, Ramona, Ochelata, Vera