#1Southwest EP
Serves this area from AZ
Clinical Research Sites in Maricopa, AZ
The top-ranked clinical research sites serving Maricopa, AZ are Southwest EP, Cancer and Blood Specialists of Arizona and MD First Research. We list 319 clinical research sites serving Maricopa, AZ. 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 Maricopa, AZ (Pinal County). 319 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 Maricopa
#2Cancer and Blood Specialists of Arizona
Serves this area from Casa Grande, AZ (17 mi)#3MD First Research
Serves this area from Chandler, AZ (19 mi)#4MD First Research - Chandler
Serves this area from Chandler, AZ (19 mi)#5TrialSphere
Serves this area from Chandler, AZ (19 mi)#6Avacare Foothills Research Center
Serves this area from Phoenix, AZ (20 mi)#7CCT Research
Serves this area from Phoenix, AZ (20 mi)#8Medical Advancement Centers of Arizona
Serves this area from Phoenix, AZ (20 mi)#9Arizona Liver Health - Chandler
Serves this area from Chandler, AZ (21 mi)#10Arizona State Urological Institute
Serves this area from Chandler, AZ (21 mi)
20 more providers serving this area
- Chandler Clinical Trials, Chandler, AZ (21 mi)
- Chandler Regional Medical Center, Chandler, AZ (21 mi)
- Dignity Health Chandler Regional Medical Center, Chandler, AZ (21 mi)
- East Valley Family Physicians, Chandler, AZ (21 mi)
- Ironwood Cancer and Research Center, Chandler, AZ (21 mi)
- Ironwood Cancer and Research Centers, Chandler, AZ (21 mi)
- Ironwood Cancer and Research Centers Chandler Ii, Chandler, AZ (21 mi)
- Ironwood Physicians P.C. dba Ironwood Cancer and Research Centers, Chandler, AZ (21 mi)
- New Horizons Clinical Trials, Chandler, AZ (21 mi)
- The Institute for Liver Health, Chandler, AZ (21 mi)
- The Institute For Liver Health - Chandler, Chandler, AZ (21 mi)
- Valley Heart Rhythm Specialists, Chandler, AZ (21 mi)
- Arizona Center for Cancer Care, Tempe, AZ (21 mi)
- Physicians Research Group, Tempe, AZ (21 mi)
- Arizona Clinical Trials, Chandler, AZ (22 mi)
- Arizona Clinical Trials - Chandler, Chandler, AZ (22 mi)
- Arizona Liver Health, Chandler, AZ (22 mi)
- The Institute for Liver Health II dba Arizona Clinical Trials - Mesa, Chandler, AZ (22 mi)
- Celerion, Inc., Tempe, AZ (23 mi)
- Celerion - Tempe, Tempe, AZ (23 mi)
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Frequently asked questions
How many clinical research sites serve Maricopa?
We list 319 clinical research sites serving Maricopa, AZ: 0 based there and 319 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 Maricopa?
The top-ranked clinical research sites serving Maricopa, AZ are Southwest EP, Cancer and Blood Specialists of Arizona, MD First Research, MD First Research - Chandler and TrialSphere. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Maricopa are verified against official records?
10 of the top 10 match an active official record: Southwest EP (ClinicalTrials.gov), Cancer and Blood Specialists of Arizona (ClinicalTrials.gov), MD First Research (ClinicalTrials.gov), MD First Research - Chandler (ClinicalTrials.gov) and TrialSphere (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 .