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

Active since June 16, 2023PECOS Enrolled
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: November 08, 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. He is enrolled in Medicare PECOS, is affiliated with Newark Beth Israel Medical Center, and is a graduate of Other (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
Medical School CMSOtherGraduated 2023
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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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Harrison James Clark Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3678033172
PECOS Enrollment IDI20260903003104
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Harrison Clark reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rwjbh Emergency Medicine Associates, LLC
20 mi
Emergency Medicine
3 EXECUTIVE DR, STE 400
Somerset, NJ 08873
  • Reassigned Medicare billing, New Jersey enrollment
  • 1,557 clinicians in this Medicare group
NPI 1912510041 (732) 867-9618
Newton Emergency Medical Associates LLC
38 mi
Emergency Medicine
175 HIGH ST, NEWTON HOSPITAL
Newton, NJ 07860
  • Reassigned Medicare billing, New Jersey enrollment
  • 59 clinicians in this Medicare group
NPI 1306118344 (954) 939-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Newark Beth Israel Medical Center

Acute Care Hospitals · Newark, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310002
Location201 Lyons AveNewark, NJ 07112 · Essex County
Emergency services Birthing friendly

Ocean Medical Center

Acute Care Hospitals · Brick, NJ
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number310052
Location425 Jack Martin BlvdBrick, NJ 08724 · Ocean County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07112 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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
BRIAN CAO MD
Anesthesiology (Pediatric Anesthesiology)
201 LYONS AVE
NEWARK, NJ 07112
Essex County (973) 926-7000
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.

Is Harrison Clark enrolled in Medicare?

Yes. Harrison Clark is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Harrison Clark's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Harrison Clark reassigns Medicare benefits to 2 organizations: Rwjbh Emergency Medicine Associates, LLC (Somerset, NJ) and Newton Emergency Medical Associates LLC (Newton, NJ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Harrison Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Harrison Clark affiliated with any hospitals?

According to CMS data, Harrison Clark is affiliated with Newark Beth Israel Medical Center and Ocean Medical Center.

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 4 months 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.