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Irena Veksler-Offengenden, M.D.

Allergy & Immunology Physician in Fairfield, CT · enumerated 2006.

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

National Provider Identifier

1508807603

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Registry record

Entity type Individual (Type 1)
Name Irena Veksler-Offengenden
Credential M.D.
Sex Female
Practice address 55 Walls Dr, Ste. 405, Fairfield, CT, 06824
Phone (203) 259-7070
Fax (203) 254-7402
Enumeration date Jun 9, 2006
Last updated in NPPES May 2, 2011

Taxonomy & licenses

207K00000X Allergy & Immunology Physician Allopathic & Osteopathic Physicians · License 043202 (CT) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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.

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Frequently asked questions

Where does Irena Veksler-Offengenden practice?
The practice location on file with NPPES is in Fairfield, CT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Irena Veksler-Offengenden?
The National Provider Identifier (NPI) for Irena Veksler-Offengenden is 1508807603, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-05-02.