#1Medvin Clinical Research
Serves this area from Whittier, CA (1 mi)
Clinical Research Sites in Whittier, CA
The top-ranked clinical research sites serving Whittier, CA are Medvin Clinical Research, Medvin Clinical Research - Whittier and PIH Health. We list 988 clinical research sites serving Whittier, CA. 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 Whittier, CA (Los Angeles County). 988 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 Whittier
#2Medvin Clinical Research - Whittier
Serves this area from Whittier, CA (1 mi)#3PIH Health
Serves this area from Whittier, CA (1 mi)#4PIH Health Hematology Medical Oncology
Serves this area from Whittier, CA (1 mi)#5PIH Health Hospital
Serves this area from Whittier, CA (1 mi)#6PIH Health Hospital - Whittier
Serves this area from Whittier, CA (1 mi)#7PIH Health Whittier Hospital
Serves this area from Whittier, CA (1 mi)#8Presbyterian Intercommunity Hospital
Serves this area from Whittier, CA (1 mi)#9American Institute of Research
Serves this area from Whittier, CA (2 mi)#10Innovative Clinical Research Institute
Serves this area from Whittier, CA (2 mi)
20 more providers serving this area
- The Oncology Institute of Hope and Innovation, Whittier, CA (2 mi)
- TOI Clinical Research, Whittier, CA (2 mi)
- Golden Optometric Group, West Whittier-Los Nietos, CA (3 mi)
- CNRI Los Angeles LLC, Pico Rivera, CA (4 mi)
- Omega Clinical Trials - La Habra, La Habra, CA (4 mi)
- Alarcon Urology Center, Montebello, CA (6 mi)
- Keck Medicine of USC Buena Park, Buena Park, CA (7 mi)
- Core Healthcare Group, Cerritos, CA (7 mi)
- Helios Clinical Research, Cerritos, CA (7 mi)
- Helios CR Inc./RadNet, Cerritos, CA (7 mi)
- Onco Inst of Hope and Innovation, Cerritos, CA (7 mi)
- The Oncology Institute Of Hope And Innovation, Cerritos, CA (7 mi)
- TOI - Clinical Research, Cerritos, CA (7 mi)
- Fullerton Neuro and Headache Ctr, Fullerton, CA (8 mi)
- Fullerton Neurological Center, Fullerton, CA (8 mi)
- Fullerton Neurology and Headache Center, Fullerton, CA (8 mi)
- Kaiser Permanente Downey Medical Center, Downey, CA (8 mi)
- Providence Medical Foundation, Fullerton, CA (8 mi)
- Providence Saint Jude Medical Center, Fullerton, CA (8 mi)
- Providence, St. Jude, Fullerton, CA (8 mi)
Request quotes
Frequently asked questions
How many clinical research sites serve Whittier?
We list 988 clinical research sites serving Whittier, CA: 0 based there and 988 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 Whittier?
The top-ranked clinical research sites serving Whittier, CA are Medvin Clinical Research, Medvin Clinical Research - Whittier, PIH Health, PIH Health Hematology Medical Oncology and PIH Health Hospital. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Whittier are verified against official records?
10 of the top 10 match an active official record: Medvin Clinical Research (ClinicalTrials.gov), Medvin Clinical Research - Whittier (ClinicalTrials.gov), PIH Health (ClinicalTrials.gov), PIH Health Hematology Medical Oncology (ClinicalTrials.gov) and PIH Health Hospital (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 .