Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. PHILIP ISRAEL WEISINGER MD
NPI 1568450351
Allergy & Immunology in New Haven, CT

Q: What is Philip Weisinger's NPI number?

The NPI number for Philip Weisinger is 1568450351. It was assigned to this individual provider in the NPPES registry on October 6, 2005.

Q: What is Philip Weisinger's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Philip Weisinger was last updated on September 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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.

Active since October 06, 2005

100 YORK ST, SUITE 2F, NEW HAVEN, CT 06511(203) 777-6455(203) 789-1960 Get Directions Write a Review

NPPES record last updated: September 20, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 20, 2026, Aug 18, 2021 (2 updates tracked since 2021).

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About Mr. Philip Israel Weisinger Md NPPES

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

MR. PHILIP ISRAEL WEISINGER MD (NPI 1568450351) is an individual allergy & immunology provider in New Haven, Connecticut, licensed in Connecticut (13422) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1568450351

Entity TypeIndividualMale

Primary Taxonomy207K00000X

Provider Legal NameMR. PHILIP ISRAEL WEISINGERCredential: MD

Location Address100 YORK ST, SUITE 2FNew Haven, CT 06511-5620

Mailing Address100 York St, Suite 2fNew Haven, CT 06511-5620 · (203) 777-6455 · Fax (203) 789-1960

Phone(203) 777-6455

Fax(203) 789-1960

Sole ProprietorYes

Enumeration DateOctober 6, 2005

Last NPPES UpdateSeptember 20, 20262 updates tracked since enumeration

NPPES CertifiedAugust 18, 2021

✔ NPI 1568450351 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in CT · 13422

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.

100 YORK ST, New Haven, CT 06511

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Other Identifiers 1

Medicaid001134220CT

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GEORGE J. WATSTEIN M.D.

Psychiatry & Neurology (Psychiatry)

100 YORK ST, SUITE 2 A
NEW HAVEN, CT 06511

South Central Connecticut Planning Region (203) 624-6431

RICHARD ALAN BREIER MD

Internal Medicine

100 YORK ST, SUITE 2E
NEW HAVEN, CT 06511

South Central Connecticut Planning Region (202) 787-3588

DR. PAUL ARONSON M.D.

Pediatrics (Pediatric Emergency Medicine)

100 YORK ST, SUITE 1F
NEW HAVEN, CT 06511

South Central Connecticut Planning Region (203) 737-7433

HENRY B SAMSON

Optometrist

100 YORK ST, SUITE 2K
NEW HAVEN, CT 06511

South Central Connecticut Planning Region (203) 624-3896

JENNIFER GRZYBINSKI APRN

Nurse Practitioner (Acute Care)

100 YORK ST
NEW HAVEN, CT 06511

South Central Connecticut Planning Region (203) 688-3125

BRIDGET CLAIR TORRES MSW

Social Worker (Clinical)

100 YORK ST
NEW HAVEN, CT 06511

South Central Connecticut Planning Region (475) 355-6608

LYNN STREET MD

Internal Medicine

100 YORK ST, SUITE 2E
NEW HAVEN, CT 06511

South Central Connecticut Planning Region (203) 787-3588

ALLERGY ASSOCIATES, P.C.

Allergy & Immunology (Allergy)

100 YORK ST, SUITE 2 F
NEW HAVEN, CT 06511

South Central Connecticut Planning Region (203) 777-6455

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 Philip Weisinger's NPI number?

The NPI number for Philip Weisinger is 1568450351. It was assigned to this individual provider in the NPPES registry on October 6, 2005.

Where is Philip Weisinger located?

Philip Weisinger practices at 100 York St Suite 2F, New Haven, CT 06511. The listed phone number is (203) 777-6455.

What is Philip Weisinger's specialty?

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

When was this NPI record last updated?

The NPPES record for Philip Weisinger was last updated on September 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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.