THREE VILLAGE ALLERGY & ASTHMA, PLLC
NPI 1568718971
Clinic/Center - Multi-Specialty in South Setauket, NY

Q: What is Three Village Allergy & Asthma, PLLC's NPI number?

The NPI number for Three Village Allergy & Asthma, PLLC is 1568718971. It was assigned to this organization in the NPPES registry on August 3, 2012.

Q: What is Three Village Allergy & Asthma, PLLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

Active since August 03, 2012

3771 NESCONSET HWY STE 105, SOUTH SETAUKET, NY 11720(631) 675-6474(631) 675-6475 Get Directions Write a Review

NPPES record last updated: March 24, 2023. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Mar 24, 2023, Nov 22, 2022 (2 updates tracked since 2022).

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About Three Village Allergy & Asthma, Pllc NPPES

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

THREE VILLAGE ALLERGY & ASTHMA, PLLC (NPI 1568718971) is a healthcare organization registered as a multi-specialty in South Setauket, New York and active in the NPI registry since August 2012. The organization lists Anthony Szema, Ceo, as its authorized official.

NPPES Registry Identity

NPI1568718971

Entity TypeOrganization

Primary Taxonomy261QM1300X

Legal Business NameTHREE VILLAGE ALLERGY & ASTHMA, PLLC

Location Address3771 NESCONSET HWY STE 105South Setauket, NY 11720-1155

Mailing Address3771 Nesconset Hwy Ste 105South Setauket, NY 11720-1155 · (631) 675-6474 · Fax (631) 675-6475

Phone(631) 675-6474

Fax(631) 675-6475

Organization SubpartNo

Authorized OfficialAnthony SzemaCeo · (631) 675-6474

Enumeration DateAugust 3, 2012

Last NPPES UpdateMarch 24, 20232 updates tracked since enumeration

NPPES CertifiedMarch 24, 2023

✔ NPI 1568718971 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 15

★ Primary SpecialtyClinic/Center · Multi-SpecialtyAmbulatory Health Care Facilities

Taxonomy Code261QM1300X

Also ListedRegistered Nurse · Infusion TherapyTaxonomy 163WI0500X

Also ListedRegistered Nurse · PediatricsTaxonomy 163WP0200X

Also ListedRegistered Nurse · Ambulatory CareTaxonomy 163WP2201X

Also ListedSpecialist · Research StudyTaxonomy 1744R1102X

Also ListedAllergy & ImmunologyTaxonomy 207K00000X · License 194679 (NY)

Also ListedAllergy & Immunology · AllergyTaxonomy 207KA0200X

Also ListedAllergy & Immunology · Clinical & Laboratory ImmunologyTaxonomy 207KI0005X

Also ListedInternal MedicineTaxonomy 207R00000X

Also ListedInternal Medicine · Allergy & ImmunologyTaxonomy 207RA0201X

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X

Also ListedPediatrics · Pediatric Allergy/ImmunologyTaxonomy 2080P0201X

Also ListedPediatrics · Pediatric PulmonologyTaxonomy 2080P0214X

Also ListedClinic/Center · Infusion TherapyTaxonomy 261QI0500X

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

3771 NESCONSET HWY STE 105, South Setauket, NY 11720

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Three Village Allergy & Asthma, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 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 IDO20131219000664Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026

Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 3 clinicians reassign Medicare billing to Three Village Allergy & Asthma, PLLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Anthony Szema, MD

Allergy/Immunology

NPI 1831159649

3771 NESCONSET HWY SUITE 105
South Setauket, NY 11720

(631) 675-6474

✔ PECOS✔ Accepts MedicareSame address

Aisha Shami, AGNP-C

Nurse Practitioner

NPI 1518771385

3771 NESCONSET HWY STE 105
South Setauket, NY 11720

(631) 675-6474

✔ PECOSSame address

John Byrne, M.D.

Allergy/Immunology

NPI 1144227208

1149 OLD COUNTRY ROAD SUITE E-1
Riverhead, NY 11901

(631) 591-2209

✔ PECOS✔ Accepts Medicare21 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 Three Village Allergy & Asthma, PLLC's NPI number?

The NPI number for Three Village Allergy & Asthma, PLLC is 1568718971. It was assigned to this organization in the NPPES registry on August 3, 2012.

Where is Three Village Allergy & Asthma, PLLC located?

Three Village Allergy & Asthma, PLLC is located at 3771 Nesconset Hwy Ste 105, South Setauket, NY 11720. The listed phone number is (631) 675-6474.

What is Three Village Allergy & Asthma, PLLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

Is Three Village Allergy & Asthma, PLLC enrolled in Medicare?

Yes. Three Village Allergy & Asthma, PLLC is registered in the Medicare PECOS enrollment system.

When is Three Village Allergy & Asthma, PLLC'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 November 30, 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 Three Village Allergy & Asthma, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Three Village Allergy & Asthma, PLLC, 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, 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 Three Village Allergy & Asthma, PLLC was last updated on March 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.