Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Quest Diagnostics LLC

Organization Clinical Medical Laboratory · NPI 1841492444

Quest Diagnostics LLC is a Clinical Medical Laboratory in Branford, Connecticut. Licensed in Connecticut. Registered with an NPI since 2007.

Licensed in
CT
In the registry since
2007
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1008 Main St
Branford, CT 06405-3773
Phone: (203) 949-1260
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Medical Laboratory (primary) Taxonomy 291U00000X (CT)

Record details

NPI number1841492444
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationQuest Diagnostics Incorporated
Authorized official G Cartier — Vp Of Billing · (484) 676-7000
NPI enumeratedJune 5, 2007
Last updated in NPPESMarch 17, 2008
Mailing address3 Sterling Dr, Wallingford, CT 06492-5915

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