#1Valleywise Health
Serves this area from Phoenix, AZ (0 mi)
Clinical Research Sites in Phoenix, AZ
The top-ranked clinical research sites serving Phoenix, AZ are Valleywise Health, Alkeus Site and Associated Retina Consultants. We list 319 clinical research sites serving Phoenix, 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 Phoenix, AZ (Maricopa 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 Phoenix
#2Alkeus Site
Serves this area from Phoenix, AZ (2 mi)#3Associated Retina Consultants
Serves this area from Phoenix, AZ (2 mi)#4Associated Retina Consultants - Phoenix
Serves this area from Phoenix, AZ (2 mi)#5Desert Institute for Spine Care
Serves this area from Phoenix, AZ (2 mi)#6Honorhealth
Serves this area from Phoenix, AZ (2 mi)#7HonorHealth John C Lincoln Medical Center
Serves this area from Phoenix, AZ (2 mi)#8Synexus Clinical Research US, Inc.
Serves this area from Phoenix, AZ (2 mi)#9Absolute Clinical Research
Serves this area from Phoenix, AZ (3 mi)#10Arizona Oncology Services Foundation
Serves this area from Phoenix, AZ (4 mi)
20 more providers serving this area
- Arizona Pulmonary Specialists, Phoenix, AZ (4 mi)
- Barrow Brain and Spine, Phoenix, AZ (4 mi)
- Barrow Neurological Institute, Phoenix, AZ (4 mi)
- Barrow Neurological Institute at St. Joseph's Hospital and Medical Center, Phoenix, AZ (4 mi)
- Barrow Neurological Institute, Division of Alzheimer's Disease, Phoenix, AZ (4 mi)
- Dignity Health, Phoenix, AZ (4 mi)
- Dignity Health - St. Joseph's Hospital and Medical Center, Phoenix, AZ (4 mi)
- Saint Joseph's Hospital and Medical Center, Phoenix, AZ (4 mi)
- St. Joseph's Hospital and Medical Center, Phoenix, AZ (4 mi)
- St. Josephs Hospital and Medical Center, Phoenix, AZ (4 mi)
- St. Joseph's Hospital and Medical Center 350 West Thomas Road, Floor 8HLT, Phoenix, AZ (4 mi)
- St Joseph's Hospital and medical Center - Barrow Neurological Institute, Phoenix, AZ (4 mi)
- More Foundation, Phoenix, AZ (4 mi)
- Musculoskeletal-Orthopedic Research and Education Foundation, Phoenix, AZ (4 mi)
- Scottsdale Research Institute, Phoenix, AZ (4 mi)
- The MORE Foundation, Phoenix, AZ (4 mi)
- Pueblo Family Physicians, Phoenix, AZ (4 mi)
- Advanced Foot Care, Phoenix, AZ (5 mi)
- AKDHC Medical Research Services, LLC, Phoenix, AZ (5 mi)
- Arizona Research Center, Phoenix, AZ (5 mi)
Request quotes
Frequently asked questions
How many clinical research sites serve Phoenix?
We list 319 clinical research sites serving Phoenix, 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 Phoenix?
The top-ranked clinical research sites serving Phoenix, AZ are Valleywise Health, Alkeus Site, Associated Retina Consultants, Associated Retina Consultants - Phoenix and Desert Institute for Spine Care. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Phoenix are verified against official records?
10 of the top 10 match an active official record: Valleywise Health (ClinicalTrials.gov), Alkeus Site (ClinicalTrials.gov), Associated Retina Consultants (ClinicalTrials.gov), Associated Retina Consultants - Phoenix (ClinicalTrials.gov) and Desert Institute for Spine Care (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 .