QUEST DIAGNOSTICS LLC
NPI 1144423567
Clinical Medical Laboratory in New Haven, CT
About Quest Diagnostics Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
QUEST DIAGNOSTICS LLC (NPI 1144423567) is a healthcare organization registered as a clinical medical laboratory in New Haven, Connecticut and active in the NPI registry since June 2007. The organization lists Charles Albert Bowles, Vice President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment and revalidation status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Quest Diagnostics Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by November 30, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Quest Diagnostics LLC's NPI number?
The NPI number for Quest Diagnostics LLC is 1144423567. It was assigned to this organization in the NPPES registry on June 6, 2007.
Where is Quest Diagnostics LLC located?
Quest Diagnostics LLC is located at 2 Church St Ste 115, New Haven, CT 06519. The listed phone number is (203) 949-1260.
What is Quest Diagnostics LLC's specialty?
The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.
Is Quest Diagnostics LLC enrolled in Medicare?
Yes. Quest Diagnostics LLC is registered in the Medicare PECOS enrollment system.
When is Quest Diagnostics LLC's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Connecticut, Independent Clinical Laboratory) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
When was this NPI record last updated?
The NPPES record for Quest Diagnostics LLC was last updated on December 4, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.