Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Quest Diagnostics LLC

Organization Clinical Medical Laboratory · NPI 1093917544

Quest Diagnostics LLC is a Clinical Medical Laboratory in Danbury, 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

7 Germantown Rd
Danbury, CT 06810-5000
Phone: (877) 868-2191
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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 · Licence 07D0696809 (CT)

Record details

NPI number1093917544
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationQuest Diagnostics Incorporated
Authorized official Leah Timmerman — Sr. Vp · (973) 520-2700
NPI enumeratedJune 5, 2007
Last updated in NPPESOctober 7, 2026
Certification dateOctober 7, 2026
Mailing address4770 Regent Blvd, Irving, TX 75063-2445

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