OrganizationActive
Quest Diagnostics LLC
NPI 1972521920 · Clinical Medical Laboratory · Norwalk, CT
Provider details
- NPI number
- 1972521920
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Parent organization
- Quest Diagnostics Incorporated
- Organization subpart
- Yes
- Authorized official
- Charles Bowles, Vice President(610) 454-6000
- License
- 07D0644813 (CT)
Specialties & taxonomies
Laboratories
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
40 Cross St
Norwalk, CT 06851-4647
Phone: (877) 868-2191
Street-level locationGet directions
Mailing address
1201 S Collegeville Rd
Collegeville, PA 19426-2998
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2022-11-22
- Certified
- 2022-11-22
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.