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HUDSON-ESSEX ALLERGY LLC
NPI 1770970428
Allergy & Immunology in Belleville, NJ

Active since April 21, 2015CLIA 31D2118201 · Waiver
5 FRANKLIN AVE, SUITE 102, BELLEVILLE, NJ 07109(973) 759-5842(973) 759-0403 Get Directions Write a Review

NPPES record last updated: May 13, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Hudson-essex Allergy Llc NPPES

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

HUDSON-ESSEX ALLERGY LLC (NPI 1770970428) is a healthcare organization registered as an allergy & immunology in Belleville, New Jersey and active in the NPI registry since April 2015. The organization holds a CLIA Waiver certificate valid through April 10, 2027 and lists Mark E Weinstein, President, as its authorized official.

NPPES Registry Identity

NPI1770970428
Entity TypeOrganization
Primary Taxonomy207K00000X
Legal Business NameHUDSON-ESSEX ALLERGY LLC
Location Address5 FRANKLIN AVE, SUITE 102Belleville, NJ 07109-3532
Mailing Address5 Franklin AveBelleville, NJ 07109-3532 · (973) 759-5842 · Fax (973) 759-0403
Phone(973) 759-5842
Fax(973) 759-0403
Organization SubpartNo
Authorized OfficialMark E WeinsteinPresident · (973) 759-5842
Enumeration DateApril 21, 2015
Last NPPES UpdateMay 13, 2024
✔ NPI 1770970428 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
5 FRANKLIN AVE, Belleville, NJ 07109
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

Hudson-essex Allergy Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Hudson-Essex Allergy LLC, which bills Medicare for the services they deliver. Of these, 4 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Jessica Chao, APN
Nurse Practitioner
NPI 1699969659
5 FRANKLIN AVE STE 102
Belleville, NJ 07109
(973) 759-5842
✔ PECOS✔ Accepts Medicare1.4 mi
Mittal Patel, APN
Nurse Practitioner
NPI 1093229619
5 FRANKLIN AVE STE 102
Belleville, NJ 07109
(973) 759-5842
✔ PECOS✔ Accepts Medicare1.4 mi
Mark Weinstein, M.D.
Allergy/Immunology
NPI 1528274040
5 FRANKLIN AVE STE 102
Belleville, NJ 07109
(973) 759-5842
✔ PECOS✔ Accepts Medicare1.4 mi
Saira Zafar, MD
Allergy/Immunology
NPI 1871029199
12 E WILLOW ST
Millburn, NJ 07041
(973) 376-8500
✔ PECOS✔ Accepts Medicare9.3 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 31D2118201

Hudson-Essex Allergy · Belleville, NJ
Active · expires Apr 10, 2027
CLIA Number31D2118201
Laboratory TypePhysician Office
Certificate Effective DateApril 11, 2025
Certificate Expiration DateApril 10, 2027
Laboratory DirectorMark E. Weinstein
Laboratory Phone(201) 320-7677
Laboratory LocationHudson-Essex Allergy5 Franklin Avenue Suite 102, Belleville, NJ 07109
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

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 Hudson-Essex Allergy LLC's NPI number?

The NPI number for Hudson-Essex Allergy LLC is 1770970428. It was assigned to this organization in the NPPES registry on April 21, 2015.

Where is Hudson-Essex Allergy LLC located?

Hudson-Essex Allergy LLC is located at 5 Franklin Ave Suite 102, Belleville, NJ 07109. The listed phone number is (973) 759-5842.

What is Hudson-Essex Allergy LLC's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Hudson-Essex Allergy LLC enrolled in Medicare?

Yes. Hudson-Essex Allergy LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Hudson-Essex Allergy LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Hudson-Essex Allergy LLC, in Allergy/Immunology and Nurse Practitioner. 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, 4 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Hudson-Essex Allergy LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 31D2118201) is associated with this NPI, valid through April 10, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Hudson-Essex Allergy LLC was last updated on May 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.