1. Home
  2. Directory
  3. New Jersey
  4. Teterboro
  5. Pathology
  6. NPI Profile

WILLIAM ELLSWORTH TARR JR. M.D.
NPI 1285833814
Pathology - Anatomic Pathology & Clinical Pathology in Teterboro, NJ

Active since July 13, 2007
1 MALCOLM AVE, QUEST DIAGNOSTICS INC, TETERBORO, NJ 07608(201) 393-5752 Get Directions Write a Review

NPPES record last updated: July 13, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About William Ellsworth Tarr Jr. M.d. NPPES

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

WILLIAM ELLSWORTH TARR JR. M.D. (NPI 1285833814) is an individual anatomic pathology & clinical pathology provider in Teterboro, New Jersey, licensed in New Jersey (25MA07021700) and active in the NPI registry since July 2007.

NPPES Registry Identity

NPI1285833814
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameWILLIAM ELLSWORTH TARR JR.Credential: M.D.
Location Address1 MALCOLM AVE, QUEST DIAGNOSTICS INCTeterboro, NJ 07608-1011
Mailing Address1 Malcolm Ave, Quest Diagnostics IncTeterboro, NJ 07608-1011 · (201) 393-5752
Phone(201) 393-5752
Sole ProprietorNo
Enumeration DateJuly 13, 2007
✔ NPI 1285833814 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in NJ · 25MA07021700
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
1 MALCOLM AVE, Teterboro, NJ 07608
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINF07589MD

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARINA GERBER MD
Pathology (Anatomic Pathology & Clinical Pathology)
1 MALCOLM AVE
TETERBORO, NJ 07608
Bergen County (201) 393-5357
DR. MARISE MC NEELEY M.D.
Pathology (Anatomic Pathology)
1 MALCOLM AVE
TETERBORO, NJ 07608
Bergen County (201) 393-5051
DR. YIQUI ZHANG MD
Dermatology (Clinical & Laboratory Dermatological Immunology)
1 MALCOLM AVE
TETERBORO, NJ 07608
Bergen County (201) 393-5000
DR. KUMUDINI U MEHTA M.D.
Pathology (Clinical Laboratory Director, Non-physician)
1 MALCOLM AVE
TETERBORO, NJ 07608
Bergen County (201) 393-5132
DR. RONALD DAVID LUFF M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
1 MALCOLM AVE
TETERBORO, NJ 07608
Bergen County (201) 393-6007
ECATERINA F TAMAS MD
Pathology (Anatomic Pathology & Clinical Pathology)
1 MALCOLM AVE
TETERBORO, NJ 07608
Bergen County (201) 393-6317
MRS. CHARMAINE PONCE THOMAS
Pathology (Clinical Pathology/Laboratory Medicine)
1 MALCOLM AVE
TETERBORO, NJ 07608
Bergen County (201) 393-5000
DR. ALICE SUSAN TANNENBAUM MD
Pathology (Anatomic Pathology)
1 MALCOLM AVE
TETERBORO, NJ 07608
Bergen County (201) 393-5589

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 William Tarr's NPI number?

The NPI number for William Tarr is 1285833814. It was assigned to this individual provider in the NPPES registry on July 13, 2007.

Where is William Tarr located?

William Tarr practices at 1 Malcolm Ave Quest Diagnostics Inc, Teterboro, NJ 07608. The listed phone number is (201) 393-5752.

What is William Tarr's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

When was this NPI record last updated?

The NPPES record for William Tarr was last updated on July 13, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.