Clinical Research Sites in Menifee, CA

The top-ranked clinical research sites serving Menifee, CA are Southland Arthritis and Osteoporosis Medical Center, Inc, United Medical Doctors and United Medical Doctors CA - Site Number: 8400044. We list 389 clinical research sites serving Menifee, 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 Menifee, CA (Riverside County). 389 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 Menifee

20 more providers serving this area

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Frequently asked questions

How many clinical research sites serve Menifee?

We list 389 clinical research sites serving Menifee, CA: 0 based there and 389 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 Menifee?

The top-ranked clinical research sites serving Menifee, CA are Southland Arthritis and Osteoporosis Medical Center, Inc, United Medical Doctors, United Medical Doctors CA - Site Number: 8400044, Urology Center of Southern California and LoBue Laser and Eye Medical Center. The full ranked list, with the official records each provider matched, is on this page.

Which clinical research sites serving Menifee are verified against official records?

10 of the top 10 match an active official record: Southland Arthritis and Osteoporosis Medical Center, Inc (ClinicalTrials.gov), United Medical Doctors (ClinicalTrials.gov), United Medical Doctors CA - Site Number: 8400044 (ClinicalTrials.gov), Urology Center of Southern California (ClinicalTrials.gov) and LoBue Laser and Eye Medical Center (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 .

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