Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Allergy Associates, P.C.

Allergy Physician in New Haven, CT · enumerated 2010 · authorized official Philip Weisinger, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1720395320

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Registry record

Entity type Organization (Type 2)

Legal business name Allergy Associates, P.C.

Practice address 100 York St, Suite 2 F, New Haven, CT, 06511

Phone (203) 777-6455

Fax (203) 789-1960

Enumeration date Sep 3, 2010

Last updated in NPPES Sep 22, 2010

Taxonomy & classification

207KA0200X Allergy Physician Allopathic & Osteopathic Physicians · License 13422 (CT) Primary

Authorized official

Name Philip Weisinger

Title President

Phone (203) 777-6455

Other identifiers

Identifier	Type	State	Issuer
001134220-00	Medicaid	CT	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is Allergy Associates, P.C. located?

The practice location on file with NPPES is in New Haven, CT.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2010-09-22. Verify at npiregistry.cms.hhs.gov.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-09-22.