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 1447278403

Quest Diagnostics LLC is a Clinical Medical Laboratory in Johnston, Rhode Island. Licensed in Rhode Island. Registered with an NPI since 2006.

Licensed in
RI
In the registry since
2006
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

1524 Atwood Ave LL1
Johnston, RI 02919-3228
Phone: (401) 521-0232
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 41D0084633 (RI)

Record details

NPI number1447278403
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationQuest Diagnostics Incorporated
Authorized official Charles Bowles — Vice President · (610) 454-4122
NPI enumeratedJuly 18, 2006
Last updated in NPPESDecember 4, 2018
Mailing address1201 S Collegeville Rd, Collegeville, PA 19426-2998