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

DR. HARRISON JAMES CLARK MD
NPI 1093490146
Emergency Medicine in Newark, NJ

Active since June 16, 2023
201 LYONS AVE, NEWARK, NJ 07112(800) 843-2384 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Harrison James Clark Md NPPES

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

DR. HARRISON JAMES CLARK MD (NPI 1093490146) is an individual emergency medicine provider in Newark, New Jersey, licensed in New Jersey (25MA13172100) and active in the NPI registry since June 2023.

NPPES Registry Identity

NPI1093490146
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. HARRISON JAMES CLARKCredential: MD
Location Address201 LYONS AVENewark, NJ 07112-2027
Mailing Address201 Lyons AveNewark, NJ 07112-2027 · (800) 843-2384
Phone(800) 843-2384
Sole ProprietorNo
Enumeration DateJune 16, 2023
Last NPPES UpdateJune 23, 2026
NPPES CertifiedJune 23, 2026
✔ NPI 1093490146 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in NJ · 25MA13172100
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
201 LYONS AVE, Newark, NJ 07112
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Other Providers at the Same Location NPPES 20

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

DR. KEITH MICHAEL SPELLMAN M.D.
Radiology (Diagnostic Radiology)
201 LYONS AVE
NEWARK, NJ 07112
Essex County (973) 926-7960
DR. LARISSA SOPHIA DUDLEY M.D.
Emergency Medicine
201 LYONS AVE, SUITE D11
NEWARK, NJ 07112
Essex County (973) 926-6671
WAQAS BARI MD
Student in an Organized Health Care Education/Training Program
201 LYONS AVE
NEWARK, NJ 07112
Essex County (800) 843-2384
ERIKA YESENIA PINEDA MD
Pediatrics (Pediatric Critical Care Medicine)
201 LYONS AVE
NEWARK, NJ 07112
Essex County (973) 926-7000
CASEY YEONJOO CHO APN
Nurse Practitioner (Acute Care)
201 LYONS AVE
NEWARK, NJ 07112
Essex County (973) 926-6938
KARLINA NGUYEN PA-C
Physician Assistant
201 LYONS AVE
NEWARK, NJ 07112
Essex County (973) 926-7000
GARY LAYTON DDS
Student in an Organized Health Care Education/Training Program
201 LYONS AVE
NEWARK, NJ 07112
Essex County (973) 926-7642
DR. ALEXIS LORDI MD
Student in an Organized Health Care Education/Training Program
201 LYONS AVE
NEWARK, NJ 07112
Essex County (973) 900-4855

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 Harrison Clark's NPI number?

The NPI number for Harrison Clark is 1093490146. It was assigned to this individual provider in the NPPES registry on June 16, 2023.

Where is Harrison Clark located?

Harrison Clark practices at 201 Lyons Ave, Newark, NJ 07112. The listed phone number is (800) 843-2384.

What is Harrison Clark's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

When was this NPI record last updated?

The NPPES record for Harrison Clark was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 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.