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Clinical Research Sites in Napa County, CA

The top-ranked clinical research sites serving Napa County, CA are Adventist Health St. Helena, Neurovations and Neurovations Research. We list 42 clinical research sites serving Napa County, 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 Napa County, CA. 42 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 Napa County

Ranked by our published methodology. Sponsored providers are shown separately.
#ProviderVerified recordsBased inPhone
1Adventist Health St. HelenaSite on 3 active studies registered on ClinicalTrials.gov
CA—
2NeurovationsSite on 5 active studies registered on ClinicalTrials.gov
CA—
3Neurovations ResearchSite on 2 active studies registered on ClinicalTrials.gov
CA—
4Providence Queen of The ValleySite on 45 active studies registered on ClinicalTrials.gov
CA—
5Providence Queen of the Valley Medical CenterSite on 2 active studies registered on ClinicalTrials.gov
CA—
6Saint Helena HospitalSite on 35 active studies registered on ClinicalTrials.gov
CA—
7St. Helena HospitalSite on 5 active studies registered on ClinicalTrials.gov
CA—
8Kaiser Permanente Medical Center-VacavilleSite on 92 active studies registered on ClinicalTrials.gov
CA—
9NorthBay Clinical ResearchSite on 5 active studies registered on ClinicalTrials.gov
Santa Rosa, CA (19 mi)—
10Providence Santa Rosa Memorial HospitalSite on 44 active studies registered on ClinicalTrials.gov
Santa Rosa, CA (19 mi)—
20 more providers serving this area

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Frequently asked questions

How many clinical research sites serve Napa County?

We list 42 clinical research sites serving Napa County, CA: 7 based there and 35 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 Napa County?

The top-ranked clinical research sites serving Napa County, CA are Adventist Health St. Helena, Neurovations, Neurovations Research, Providence Queen of The Valley and Providence Queen of the Valley Medical Center. The full ranked list, with the official records each provider matched, is on this page.

Which clinical research sites serving Napa County are verified against official records?

10 of the top 10 match an active official record: Adventist Health St. Helena (ClinicalTrials.gov), Neurovations (ClinicalTrials.gov), Neurovations Research (ClinicalTrials.gov), Providence Queen of The Valley (ClinicalTrials.gov) and Providence Queen of the Valley 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 .

Cities in Napa County

Napa

Communities served

American Canyon, St. Helena, Calistoga, Yountville, Angwin, Deer Park, Silverado Resort, Moskowite Corner, Rutherford, Oakville

More areas nearby

Santa Rosa, CA (21 mi)Vacaville, CA (22 mi)Fairfield, CA (23 mi)Sonoma County, CA (32 mi)