ESSEX MEDICAL AND NEPHROLOGY ASSOCIATES, PA
NPI 1881730257
Internal Medicine - Nephrology in Newark, NJ

Q: What is Essex Medical And Nephrology Associates, PA's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Active since January 30, 2007

539 BLOOMFIELD AVE STE 1, NEWARK, NJ 07107(973) 566-9900(973) 566-6692 Get Directions Write a Review

NPPES record last updated: October 10, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Essex Medical And Nephrology Associates, Pa NPPES

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

ESSEX MEDICAL AND NEPHROLOGY ASSOCIATES, PA (NPI 1881730257) is a healthcare organization registered as a nephrology in Newark, New Jersey and active in the NPI registry since January 2007. The organization lists Inderpal S Chadha, President, as its authorized official.

NPPES Registry Identity

NPI1881730257

Entity TypeOrganization

Primary Taxonomy207RN0300X

Legal Business NameESSEX MEDICAL AND NEPHROLOGY ASSOCIATES, PA

Location Address539 BLOOMFIELD AVE STE 1Newark, NJ 07107-1385

Mailing Address539 Bloomfield Ave Ste 1Newark, NJ 07107-1385 · (973) 566-9900 · Fax (973) 566-6692

Phone(973) 566-9900

Fax(973) 566-6692

Organization SubpartNo

Authorized OfficialInderpal S ChadhaPresident · (973) 566-9900

Enumeration DateJanuary 30, 2007

Last NPPES UpdateOctober 10, 2025

NPPES CertifiedOctober 10, 2025

✔ NPI 1881730257 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in NJ · 25MA02998200

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

539 BLOOMFIELD AVE STE 1, Newark, NJ 07107

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Other Identifiers 1

Medicaid8142904NJ

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)

Essex Medical And Nephrology Associates, Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Essex Medical And Nephrology Associates, PA, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Anushka Chadha, MD

Nephrology

NPI 1508362484

539 BLOOMFIELD AVE
Newark, NJ 07107

(973) 566-9900

✔ PECOSSame address

Inderpal Chadha, M.D.

Internal Medicine

NPI 1689612335

539 BLOOMFIELD AVE STE 1
Newark, NJ 07107

(973) 566-9900

✔ PECOS✔ Accepts MedicareSame address

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 Essex Medical And Nephrology Associates, PA's NPI number?

The NPI number for Essex Medical And Nephrology Associates, PA is 1881730257. It was assigned to this organization in the NPPES registry on January 30, 2007.

Where is Essex Medical And Nephrology Associates, PA located?

Essex Medical And Nephrology Associates, PA is located at 539 Bloomfield Ave Ste 1, Newark, NJ 07107. The listed phone number is (973) 566-9900.

What is Essex Medical And Nephrology Associates, PA's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Essex Medical And Nephrology Associates, PA enrolled in Medicare?

Yes. Essex Medical And Nephrology Associates, PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Essex Medical And Nephrology Associates, PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Essex Medical And Nephrology Associates, PA, in Internal Medicine and Nephrology. 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Essex Medical And Nephrology Associates, PA was last updated on October 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.