Clinical & Reference Laboratories in Greenwich, CT

The top-ranked clinical laboratories serving Greenwich, CT are Gh Bendheim Laboratory, Laboratory Corporation Of America Holdings and Chestatee Pathology Associates PC. We list 77 clinical laboratories serving Greenwich, CT. 30 of the providers shown match an active record from Centers for Medicare & Medicaid Services, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.

Clinical & Reference Laboratories serving Greenwich, CT (Western Connecticut Planning Region). 77 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.

Top 10 ranked clinical laboratories for Greenwich

Ranked by our published methodology. Sponsored providers are shown separately.
#ProviderVerified recordsBased inPhone
1Gh Bendheim LaboratoryCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#07D0694769
Greenwich, CT(475) 240-8335
2Laboratory Corporation Of America HoldingsCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#07D2169459
Greenwich, CT(203) 661-1585
3Chestatee Pathology Associates PCCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#33D2192414
Port Chester, NY (4 mi)(347) 385-0989
4Focus Pathology Medical Laboratory, PLLCCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#33D2147089
Port Chester, NY (4 mi)(914) 937-3300
5Cbl Path IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#33D0653618
Rye Brook, NY (4 mi)(914) 698-5706
6Laboratory Corporation Of America HoldingsCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#07D2170095
Stamford, CT (5 mi)(203) 325-2826
7Quest Diagnostics LLCCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#07D0102344
Stamford, CT (5 mi)(475) 619-3857
8Ameripath New York LLC DBA Dermpath DiagnosticsCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#33D0687350
White Plains, NY (5 mi)(914) 934-5803
9Cairo DiagnosticsCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#33D2047314
White Plains, NY (6 mi)(914) 339-5000
10ClarapathCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#33D2097047
NY(914) 527-2936
20 more providers serving this area

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Frequently asked questions

How many clinical laboratories serve Greenwich?

We list 77 clinical laboratories serving Greenwich, CT: 2 based there and 75 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.

Which clinical laboratories serve Greenwich?

The top-ranked clinical laboratories serving Greenwich, CT are Gh Bendheim Laboratory, Laboratory Corporation Of America Holdings, Chestatee Pathology Associates PC, Focus Pathology Medical Laboratory, PLLC and Cbl Path Inc. The full ranked list, with the official records each provider matched, is on this page.

Which clinical laboratories serving Greenwich are verified against official records?

10 of the top 10 match an active official record: Gh Bendheim Laboratory (Centers for Medicare & Medicaid Services), Laboratory Corporation Of America Holdings (Centers for Medicare & Medicaid Services), Chestatee Pathology Associates PC (Centers for Medicare & Medicaid Services), Focus Pathology Medical Laboratory, PLLC (Centers for Medicare & Medicaid Services) and Cbl Path Inc (Centers for Medicare & Medicaid Services), 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.

What does CLIA certification mean?

CLIA certificates are issued under federal law for laboratories testing human specimens. A certificate of compliance or accreditation covers moderate and high complexity testing; a certificate of waiver covers only simple waived tests.

"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 .

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