#1Ascension St. John
Based in Tulsa, OK
Clinical Research Sites in Tulsa County, OK
The top-ranked clinical research sites serving Tulsa County, OK are Ascension St. John, Ascension St. John Medical Center and Cancer Treatment Centers of America. We list 41 clinical research sites serving Tulsa 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 Tulsa County, OK. 41 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 Tulsa County
#2Ascension St. John Medical Center
Based in Tulsa, OK#3Cancer Treatment Centers of America
Based in Tulsa, OK#4Central States Research
Based in Tulsa, OK#5DelRicht Research
Based in Tulsa, OK#6Delricht Research at Grassroots Healthcare
Based in Tulsa, OK#7DelRicht Research - Tulsa
Based in Tulsa, OK#8Essential Medical Research
Based in Tulsa, OK#9Hillcrest Medical Center
Based in Tulsa, OK#10Laureate Institute for Brain Research
Based in Tulsa, OK
20 more providers serving this area
- Layrek Clinical Research, Tulsa, OK
- Lynn Institute of Tulsa, Tulsa, OK
- Natalie Warren Bryant Cancer Center at Saint Francis, Tulsa, OK
- Oklahoma Cancer Specialists and Research Institute, LLC, Tulsa, OK
- Oklahoma Cancer Specialists and Research Institute-Tulsa, Tulsa, OK
- Oklahoma Heart Institute, Tulsa, OK
- Oklahoma Heart Institute at Hillcrest Medical Center, Tulsa, OK
- Oklahoma Heart Institute at Utica, Tulsa, OK
- Oklahoma Surgical Hospital, Tulsa, OK
- Options Health Research, Tulsa, OK
- Saint Francis Children's Hospital, Tulsa, OK
- Saint Francis Hospital, Tulsa, OK
- Saint John Medical Center, Tulsa, OK
- Stephenson Cancer Center- Tulsa, Tulsa, OK
- St John Health System Inc, Tulsa, OK
- St. John Medical Center, Tulsa, OK
- Surgical Associates Inc, Tulsa, OK
- The Movement Disorder Clinic of Oklahoma, Tulsa, OK
- The Orthopaedic Center, Tulsa, OK
- Tulsa Bone and Joint Associates, Tulsa, OK
Request quotes
Frequently asked questions
How many clinical research sites serve Tulsa County?
We list 41 clinical research sites serving Tulsa County, OK: 39 based there and 2 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 Tulsa County?
The top-ranked clinical research sites serving Tulsa County, OK are Ascension St. John, Ascension St. John Medical Center, Cancer Treatment Centers of America, Central States Research and DelRicht Research. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Tulsa County are verified against official records?
10 of the top 10 match an active official record: Ascension St. John (ClinicalTrials.gov), Ascension St. John Medical Center (ClinicalTrials.gov), Cancer Treatment Centers of America (ClinicalTrials.gov), Central States Research (ClinicalTrials.gov) and DelRicht Research (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 .
Cities in Tulsa County
Communities served
Owasso, Bixby, Jenks, Sand Springs, Glenpool, Collinsville, Skiatook, Turley, Oakhurst, Sperry, Leonard, Liberty, Lotsee