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ESSENTIAL DIAGNOSTICS, P.A.
NPI 1376245753
Internal Medicine in Princeton, NJ

Active since March 20, 2023
8 FORRESTAL RD S, PRINCETON, NJ 08540(732) 789-3139 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Essential Diagnostics, P.a. NPPES

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

ESSENTIAL DIAGNOSTICS, P.A. (NPI 1376245753) is a healthcare organization registered as an internal medicine in Princeton, New Jersey and active in the NPI registry since March 2023. The organization maintains 2 additional practice locations and lists Jaden Kwan, Manager/administrator, as its authorized official.

NPPES Registry Identity

NPI1376245753
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameESSENTIAL DIAGNOSTICS, P.A.
Location Address8 FORRESTAL RD SPrinceton, NJ 08540-6658
Mailing Address301 Carnegie Ctr Ste 300Princeton, NJ 08540-6588
Phone(732) 789-3139
Organization SubpartNo
Authorized OfficialJaden KwanManager/administrator · (732) 789-3139
Enumeration DateMarch 20, 2023
Last NPPES UpdateApril 17, 2025
NPPES CertifiedApril 17, 2025
✔ NPI 1376245753 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
8 FORRESTAL RD S, Princeton, NJ 08540
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Secondary Practice Locations 2

Location 195 Madison AveMorristown, NJ 07960-6092 · Phone (609) 216-4023
Location 2127 Church Rd Ste 200Marlton, NJ 08053-9402 · Phone (856) 817-2470

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Essential Diagnostics, P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to Essential Diagnostics, P.A., which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (7)

Ajfar Sherif, M.D.
Family Practice
NPI 1316331804
3546 STATE ROUTE 27
Kendall Park, NJ 08824
(609) 483-3411
✔ PECOS✔ Accepts Medicare5.7 mi
Gerald Ngo, M.D.
Cardiovascular Disease (Cardiology)
NPI 1326427220
902 OAK TREE AVE STE 400
South Plainfield, NJ 07080
(908) 756-1703
✔ PECOS✔ Accepts Medicare20 mi
Sarah Shah, DNP, APN, A-GNP-C
Nurse Practitioner
NPI 1669196721
127 CHURCH RD
Marlton, NJ 08053
(732) 306-7290
✔ PECOS✔ Accepts Medicare34 mi
Cynthia Brown, CRNP, AGPCNP-BC
Nurse Practitioner
NPI 1831674431
1200 W GODFREY AVE STE 3100
Philadelphia, PA 19141
(215) 444-7469
✔ PECOS✔ Accepts Medicare35 mi
Abigail Aniagyei
Nurse Practitioner
NPI 1669879813
1 EVES DR STE 111134
Marlton, NJ 08053
(800) 897-9177
✔ PECOS✔ Accepts Medicare35 mi
Karen Riley, APN-C
Nurse Practitioner
NPI 1639413073
360 ROUTE 73 S
Marlton, NJ 08053
(866) 389-2727
✔ PECOS✔ Accepts Medicare35 mi
Khayriyyah Chandler, DO
Family Practice
NPI 1104077130
25A TANNER ST
Haddonfield, NJ 08033
(856) 874-8194
✔ PECOS✔ Accepts Medicare38 mi

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

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 Essential Diagnostics, P.A.'s NPI number?

The NPI number for Essential Diagnostics, P.A. is 1376245753. It was assigned to this organization in the NPPES registry on March 20, 2023.

Where is Essential Diagnostics, P.A. located?

Essential Diagnostics, P.A. is located at 8 Forrestal Rd S, Princeton, NJ 08540. The listed phone number is (732) 789-3139.

What is Essential Diagnostics, P.A.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Essential Diagnostics, P.A. enrolled in Medicare?

Yes. Essential Diagnostics, P.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Essential Diagnostics, P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 3 Medicare specialties reassign their Medicare billing to Essential Diagnostics, P.A.. A 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 the clinician's services. The largest specialties are Nurse Practitioner (4), Family Practice (2) and Cardiovascular Disease (Cardiology) (1). Of these, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Essential Diagnostics, P.A. was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.