#1Norwalk Hospital
Serves this area from Norwalk, CT (0 mi)
Clinical Research Sites in Norwalk, CT
The top-ranked clinical research sites serving Norwalk, CT are Norwalk Hospital, Nuvance Health and Research Center for Clinical Studies, LLC. We list 364 clinical research sites serving Norwalk, CT. 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 Norwalk, CT (Western Connecticut Planning Region). 364 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 Norwalk
#2Nuvance Health
Serves this area from Norwalk, CT (0 mi)#3Research Center for Clinical Studies, LLC
Serves this area from Norwalk, CT (3 mi)#4Vascular Care Connecticut
Serves this area from Darien, CT (3 mi)#5Vascular Care Group
Serves this area from Darien, CT (3 mi)#6DMR Research, PLLC
Serves this area from Westport, CT (5 mi)#7MD Stem Cells
Serves this area from Westport, CT (5 mi)#8Cardiology Associates of Fairfield County
Serves this area from Stamford, CT (7 mi)#9Cardiology Associates of Fairfield County, P.C.
Serves this area from Stamford, CT (7 mi)#10Ki Health Partners, LLC
Serves this area from Stamford, CT (7 mi)
20 more providers serving this area
- Ki Health Partners, LLc, dba New England Institute for Clinical Research, Stamford, CT (7 mi)
- New England Fertility Institute, Stamford, CT (7 mi)
- New England Institute for Clinical Research, Stamford, CT (7 mi)
- New England Institute for Clinical Research (NEICR) - Stamford, Stamford, CT (7 mi)
- Stamford Therapeutics Consortium, Stamford, CT (7 mi)
- Cardiology Associates of Fairfield County, Stamford, CT (7 mi)
- Stamford Health, Stamford, CT (7 mi)
- Stamford Hospital, Stamford, CT (7 mi)
- Stamford Hospital/Bennett Cancer Center, Stamford, CT (7 mi)
- The Stamford Hospital, Stamford, CT (7 mi)
- New England Institute for Neurology and Headache (NEINH)/Medical Practice, Stamford, CT (7 mi)
- Smilow Cancer Hospital Care Center at Long Ridge, Stamford, CT (7 mi)
- Smilow Cancer Hospital - Long Ridge, Stamford, CT (7 mi)
- Hartford Healthcare - Fairfield, Fairfield, CT (9 mi)
- Smilow Cancer Hospital Care center at Fairfield, Fairfield, CT (9 mi)
- Smilow Cancer Hospital Care Center-Fairfield, Fairfield, CT (9 mi)
- Smilow Cancer Hospital - Fairfield, Fairfield, CT (9 mi)
- Coastal Eye Surgeons, LLC, Greenwich, CT (11 mi)
- Greenwich Hospital, Greenwich, CT (11 mi)
- SightSera Clinical Research LLC, Greenwich, CT (11 mi)
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Frequently asked questions
How many clinical research sites serve Norwalk?
We list 364 clinical research sites serving Norwalk, CT: 0 based there and 364 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 Norwalk?
The top-ranked clinical research sites serving Norwalk, CT are Norwalk Hospital, Nuvance Health, Research Center for Clinical Studies, LLC, Vascular Care Connecticut and Vascular Care Group. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Norwalk are verified against official records?
10 of the top 10 match an active official record: Norwalk Hospital (ClinicalTrials.gov), Nuvance Health (ClinicalTrials.gov), Research Center for Clinical Studies, LLC (ClinicalTrials.gov), Vascular Care Connecticut (ClinicalTrials.gov) and Vascular Care Group (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 .