NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Fairfield County Allergy Asthma & Immunology Associates PC

Allergy & Immunology Physician in Norwalk, CT · enumerated 2006 · authorized official Theresa Sanchirico, Office Manager.

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

National Provider Identifier

1083705891

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Fairfield County Allergy Asthma & Immunology Associates PC
Practice address 148 East Avenue, Suite 3g, Norwalk, CT, 06851
Phone (203) 838-4034
Fax (203) 853-6361
Enumeration date Sep 27, 2006
Last updated in NPPES Oct 8, 2020

Taxonomy & classification

207K00000X Allergy & Immunology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Theresa Sanchirico
Title Office Manager
Phone (203) 869-2080

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

Who is the authorized official for Fairfield County Allergy Asthma & Immunology Associates PC?
NPPES lists Theresa Sanchirico (Office Manager) as the authorized official for this organization.
What is the NPI number for Fairfield County Allergy Asthma & Immunology Associates PC?
The NPI for Fairfield County Allergy Asthma & Immunology Associates PC is 1083705891, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-08.