Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

QUEST DIAGNOSTICS OF PENNSYLVANIA INC.
NPI 1275780967
Clinical Medical Laboratory in Warren, OH

Active since August 25, 2008CLIA 36D1067584 · Certificate of Compliance
700 HOWLAND WILSON RD SE, WARREN, OH 44484(330) 856-8611 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 8, 2026, Jun 1, 2023, Jun 11, 2020 (3 updates tracked since 2020).

About Quest Diagnostics Of Pennsylvania Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

QUEST DIAGNOSTICS OF PENNSYLVANIA INC. (NPI 1275780967) is a healthcare organization registered as a clinical medical laboratory in Warren, Ohio and active in the NPI registry since August 2008. The organization holds a CLIA Certificate of Compliance certificate valid through October 24, 2027 and lists Leah D Timmerman, Vice President, as its authorized official.

NPPES Registry Identity

NPI1275780967
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameQUEST DIAGNOSTICS OF PENNSYLVANIA INC.
Location Address700 HOWLAND WILSON RD SEWarren, OH 44484-2512
Mailing Address4770 Regent BlvdIrving, TX 75063-2445 · (774) 843-3205 · Fax (610) 271-4245
Organization SubpartYesParent: Quest Diagnostics Incorporated
Authorized OfficialLeah D TimmermanVice President · (973) 520-2700
Enumeration DateAugust 25, 2008
Last NPPES UpdateJuly 8, 20263 updates tracked since enumeration
NPPES CertifiedJuly 8, 2026
NPI 1275780967 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
License Licensed in OH · 36D1067584
Definition
(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.
700 HOWLAND WILSON RD SE, Warren, OH 44484

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 36D1067584

Quest Diagnostics Of Pennsylvania Inc (warren) · Warren, OH
Active · expires Oct 24, 2027
CLIA Number36D1067584
Laboratory TypeIndependent
Certificate Effective DateOctober 25, 2025
Certificate Expiration DateOctober 24, 2027
Laboratory DirectorDr. Veronica R. Flati
Laboratory Phone(330) 856-8611
Laboratory LocationQuest Diagnostics Of Pennsylvania Inc (warren)700 Howland Wilson Rd, SE, Warren, OH 44484
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 Of Pennsylvania Inc.'s NPI number?

The NPI number for Quest Diagnostics Of Pennsylvania Inc. is 1275780967. It was assigned to this organization in the NPPES registry on August 25, 2008.

Where is Quest Diagnostics Of Pennsylvania Inc. located?

Quest Diagnostics Of Pennsylvania Inc. is located at 700 Howland Wilson Rd SE, Warren, OH 44484. The listed phone number is (330) 856-8611.

What is Quest Diagnostics Of Pennsylvania Inc.'s specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

Does Quest Diagnostics Of Pennsylvania Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 36D1067584) is associated with this NPI, valid through October 24, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Quest Diagnostics Of Pennsylvania Inc. was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days 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.