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Clinical Research Sites in Placer County, CA

The top-ranked clinical research sites serving Placer County, CA are Clinical Trials Research, Clinical Trials Research_Sacramento and DaVinci Research LLC. We list 51 clinical research sites serving Placer 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 Placer County, CA. 51 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 Placer County

Ranked by our published methodology. Sponsored providers are shown separately.
#ProviderVerified recordsBased inPhone
1Clinical Trials ResearchSite on 6 active studies registered on ClinicalTrials.gov
CA—
2Clinical Trials Research_SacramentoSite on 2 active studies registered on ClinicalTrials.gov
CA—
3DaVinci Research LLCSite on 2 active studies registered on ClinicalTrials.gov
Roseville, CA—
4Headlands Research CTR LincolnSite on 2 active studies registered on ClinicalTrials.gov
CA—
5Kaiser PermanenteSite on 3 active studies registered on ClinicalTrials.gov
Roseville, CA—
6Kaiser Permanente RosevilleSite on 130 active studies registered on ClinicalTrials.gov
Roseville, CA—
7Kaiser Permanente Roseville Medical CenterSite on 8 active studies registered on ClinicalTrials.gov
Roseville, CA—
8Kaiser RosevilleSite on 2 active studies registered on ClinicalTrials.gov
Roseville, CA—
9Mercy Cancer Center - RocklinSite on 86 active studies registered on ClinicalTrials.gov
Rocklin, CA—
10NorCal Clinical ResearchSite on 4 active studies registered on ClinicalTrials.gov
Rocklin, CA—
20 more providers serving this area

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Frequently asked questions

How many clinical research sites serve Placer County?

We list 51 clinical research sites serving Placer County, CA: 18 based there and 33 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 Placer County?

The top-ranked clinical research sites serving Placer County, CA are Clinical Trials Research, Clinical Trials Research_Sacramento, DaVinci Research LLC, Headlands Research CTR Lincoln and Kaiser Permanente. The full ranked list, with the official records each provider matched, is on this page.

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

10 of the top 10 match an active official record: Clinical Trials Research (ClinicalTrials.gov), Clinical Trials Research_Sacramento (ClinicalTrials.gov), DaVinci Research LLC (ClinicalTrials.gov), Headlands Research CTR Lincoln (ClinicalTrials.gov) and Kaiser Permanente (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 Placer County

LincolnRoseville

Communities served

Granite Bay, Auburn, North Auburn, Loomis, Kings Beach, Meadow Vista, Colfax, Foresthill, Sunnyside-Tahoe City, Tahoe Vista, Sheridan, Newcastle, Dollar Point, Penryn, Tahoma, Cedar Flat, Alta, Carnelian Bay, Dutch Flat

More areas nearby

Nevada County, CA (17 mi)El Dorado County, CA (22 mi)El Dorado Hills, CA (32 mi)Sierra County, CA (37 mi)