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EAST END ALLERGY AND ASTHMA CARE, PC
NPI 1669424065
Allergy & Immunology in Riverhead, NY

Active since May 16, 2006
1149 OLD COUNTRY ROAD, SUITE E-1, RIVERHEAD, NY 11901(631) 591-2209(631) 591-2194 Get Directions Write a Review

NPPES record last updated: May 7, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About East End Allergy And Asthma Care, Pc NPPES

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

EAST END ALLERGY AND ASTHMA CARE, PC (NPI 1669424065) is a healthcare organization registered as an allergy & immunology in Riverhead, New York and active in the NPI registry since May 2006. The organization lists John F Byrne, President, as its authorized official.

NPPES Registry Identity

NPI1669424065
Entity TypeOrganization
Primary Taxonomy207K00000X
Legal Business NameEAST END ALLERGY AND ASTHMA CARE, PC
Location Address1149 OLD COUNTRY ROAD, SUITE E-1Riverhead, NY 11901-2063
Mailing Address1149 Old Country Road, Suite E-1Riverhead, NY 11901-2063 · (631) 591-2209 · Fax (631) 591-2194
Phone(631) 591-2209
Fax(631) 591-2194
Organization SubpartNo
Authorized OfficialJohn F ByrnePresident · (631) 591-2209
Enumeration DateMay 16, 2006
Last NPPES UpdateMay 7, 2014
✔ NPI 1669424065 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in NY · 211349
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.
1149 OLD COUNTRY ROAD, Riverhead, NY 11901
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Other Identifiers 1

Medicare UPING78132NY

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

East End Allergy And Asthma Care, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by December 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateNew YorkEnrollment IDO20080130000769Non-DME Part B · Clinic/Group PracticeDue dateDecember 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to East End Allergy And Asthma Care, PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

John Byrne, M.D.
Allergy/Immunology
NPI 1144227208
1149 OLD COUNTRY ROAD SUITE E-1
Riverhead, NY 11901
(631) 591-2209
✔ 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 East End Allergy And Asthma Care, PC's NPI number?

The NPI number for East End Allergy And Asthma Care, PC is 1669424065. It was assigned to this organization in the NPPES registry on May 16, 2006.

Where is East End Allergy And Asthma Care, PC located?

East End Allergy And Asthma Care, PC is located at 1149 Old Country Road Suite E-1, Riverhead, NY 11901. The listed phone number is (631) 591-2209.

What is East End Allergy And Asthma Care, PC's specialty?

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

Is East End Allergy And Asthma Care, PC enrolled in Medicare?

Yes. East End Allergy And Asthma Care, PC is registered in the Medicare PECOS enrollment system.

When is East End Allergy And Asthma Care, PC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (New York, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through East End Allergy And Asthma Care, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Allergy/Immunology) reassigns their Medicare billing to East End Allergy And Asthma Care, PC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for East End Allergy And Asthma Care, PC was last updated on May 7, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.