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 1548462070

Quest Diagnostics LLC is a Clinical Medical Laboratory in Prospect, 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.

See every abbreviation used in this directory →

Practice location Address checks out

166 Waterbury Rd
Prospect, CT 06712-1200
Phone: (877) 868-2191
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Medical Laboratory (primary) Taxonomy 291U00000X · Licence 07D0097260 (CT)

Record details

NPI number1548462070
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationQuest Diagnostics Incorporated
Authorized official Charles Bowles — Vice President · (610) 454-4122
NPI enumeratedJune 5, 2007
Last updated in NPPESNovember 8, 2022
Certification dateNovember 8, 2022
Mailing address1201 S Collegeville Rd, Collegeville, PA 19426-2998

Other providers in Prospect