#1Alkeus Site
Serves this area from New Cassel, NY (4 mi)
Clinical Research Sites in Levittown, NY
The top-ranked clinical research sites serving Levittown, NY are Alkeus Site, Clinical Research Alliance, Inc and Long Island Vitreoretinal Consultants. We list 434 clinical research sites serving Levittown, NY. 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 Levittown, NY (Nassau County). 434 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 Levittown
#2Clinical Research Alliance, Inc
Serves this area from New Cassel, NY (4 mi)#3Long Island Vitreoretinal Consultants
Serves this area from New Cassel, NY (4 mi)#4Optum Medical Care, PC
Serves this area from New Cassel, NY (4 mi)#5VRCNY/Long Island Vitreoretinal Consultants
Serves this area from New Cassel, NY (4 mi)#6Memorial Sloan Kettering at Nassau (Limited Protocol Activities)
Serves this area from Uniondale, NY (4 mi)#7Memorial Sloan Kettering Cancer Center Nassau
Serves this area from Uniondale, NY (4 mi)#8Memorial Sloan Kettering Cancer Center @ Nassau (Consent only)
Serves this area from Uniondale, NY (4 mi)#9Memorial Sloan Kettering Cancer Center @ Nassau (Limited Protocol Activities)
Serves this area from Uniondale, NY (4 mi)#10Memorial Sloan Kettering Nassau
Serves this area from Uniondale, NY (4 mi)
20 more providers serving this area
- Memorial Sloan Kettering Nassau, Uniondale, NY (4 mi)
- Memorial Sloan Kettering Nassau (All protocol activities), Uniondale, NY (4 mi)
- Memorial Sloan Kettering Nassau (All Protocol Activities), Uniondale, NY (4 mi)
- Memorial Sloan Kettering Nassau (Consent and Follow-up), Uniondale, NY (4 mi)
- Memorial Sloan Kettering Nassau (Consent and Followup), Uniondale, NY (4 mi)
- Memorial Sloan Kettering Nassau (Consent and Follow-Up only), Uniondale, NY (4 mi)
- Memorial Sloan Kettering Nassau (Consent Only), Uniondale, NY (4 mi)
- Memorial Sloan Kettering Nassau (Consent Only), Uniondale, NY (4 mi)
- Memorial Sloan Kettering Nassau (Limited Protocol Activites), Uniondale, NY (4 mi)
- Memorial Sloan Kettering Nassau (Limited protocol activities), Uniondale, NY (4 mi)
- Memorial Sloan Kettering Nassau (Limited Protocol Activities), Uniondale, NY (4 mi)
- MSK nassau, Uniondale, NY (4 mi)
- Hofstra University, Uniondale, NY (5 mi)
- Mount Sinai - Wantagh, Wantagh, NY (5 mi)
- DiGiovanna Inst for Med Ed&Res, Massapequa, NY (6 mi)
- DiGiovanna Institute for Medical Education and Research, Massapequa, NY (6 mi)
- New York Institute of Technology, Old Westbury, NY (6 mi)
- Nyit, Old Westbury, NY (6 mi)
- AccuMed, Garden City, NY (7 mi)
- AccuMed Research Associates, Garden City, NY (7 mi)
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Frequently asked questions
How many clinical research sites serve Levittown?
We list 434 clinical research sites serving Levittown, NY: 0 based there and 434 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 Levittown?
The top-ranked clinical research sites serving Levittown, NY are Alkeus Site, Clinical Research Alliance, Inc, Long Island Vitreoretinal Consultants, Optum Medical Care, PC and VRCNY/Long Island Vitreoretinal Consultants. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Levittown are verified against official records?
10 of the top 10 match an active official record: Alkeus Site (ClinicalTrials.gov), Clinical Research Alliance, Inc (ClinicalTrials.gov), Long Island Vitreoretinal Consultants (ClinicalTrials.gov), Optum Medical Care, PC (ClinicalTrials.gov) and VRCNY/Long Island Vitreoretinal Consultants (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 .