#1East Bay Rheumatology Medical Group
Serves this area from Ashland, CA (6 mi)
Clinical Research Sites in Hayward, CA
The top-ranked clinical research sites serving Hayward, CA are East Bay Rheumatology Medical Group, Medvin Clinical Research San Leandro and Kaiser Permanente San Leandro. We list 358 clinical research sites serving Hayward, 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 Hayward, CA (Alameda County). 358 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 Hayward
#2Medvin Clinical Research San Leandro
Serves this area from Ashland, CA (6 mi)#3Kaiser Permanente San Leandro
Serves this area from San Leandro, CA (7 mi)#4Kaiser Permanente - San Leandro Medical Center
Serves this area from San Leandro, CA (7 mi)#5Center for Clinical Research, Inc.
Serves this area from CA#6East Bay Radiation Oncology Center
Serves this area from CA#7Eden Hospital Medical Center
Serves this area from CA#8Valley Medical Oncology Consultants-Castro Valley
Serves this area from CA#9Allergy and Asthma Consultants
Serves this area from Redwood City, CA (10 mi)#10Kaiser Permanente- Marshall Medical Offices
Serves this area from Redwood City, CA (10 mi)
20 more providers serving this area
- Kaiser Permanente-Redwood City, Redwood City, CA (10 mi)
- Outpatient Surgery Center/Stanford Spine Clinic, Redwood City, CA (10 mi)
- Stanford, Redwood City, CA (10 mi)
- Stanford Center for Sleep Sciences and Medicine, Redwood City, CA (10 mi)
- Stanford Digestive Health Clinic, Redwood City, CA (10 mi)
- Stanford Health Care, Redwood City, CA (10 mi)
- Stanford Medicine Outpatient Center, Redwood City, CA (10 mi)
- Stanford Pain Management Center, Redwood City, CA (10 mi)
- Stanford University, Redwood City, CA (10 mi)
- Stanford University Medical Center, Redwood City, CA (10 mi)
- Byers Eye Institute, Palo Alto, CA (12 mi)
- Byers Eye Institute at Stanford, Palo Alto, CA (12 mi)
- Byers Eye Institute at Stanford University, Palo Alto, CA (12 mi)
- Stanford Byers Eye Institute, Palo Alto, CA (12 mi)
- Stanford University School of Medicine, Byers Eye Institute, Palo Alto, CA (12 mi)
- Center for Dermatology Clinical Research, Inc, Fremont, CA (12 mi)
- Center for Dermatology Clinical Research- Site Number : 8401018, Fremont, CA (12 mi)
- Kaiser Permanente-Fremont, Fremont, CA (12 mi)
- Mission Cardiovascular Research Institute, Fremont, CA (12 mi)
- Norcal Endocrinology & Internal Medicine, San Ramon, CA (12 mi)
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Frequently asked questions
How many clinical research sites serve Hayward?
We list 358 clinical research sites serving Hayward, CA: 0 based there and 358 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 Hayward?
The top-ranked clinical research sites serving Hayward, CA are East Bay Rheumatology Medical Group, Medvin Clinical Research San Leandro, Kaiser Permanente San Leandro, Kaiser Permanente - San Leandro Medical Center and Center for Clinical Research, Inc.. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Hayward are verified against official records?
10 of the top 10 match an active official record: East Bay Rheumatology Medical Group (ClinicalTrials.gov), Medvin Clinical Research San Leandro (ClinicalTrials.gov), Kaiser Permanente San Leandro (ClinicalTrials.gov), Kaiser Permanente - San Leandro Medical Center (ClinicalTrials.gov) and Center for Clinical Research, Inc. (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 .