Allergy & Immunology in Norwalk, CT
10 active Allergy & Immunology providers practice in Norwalk, Connecticut according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.
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| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1467436733 | Agnieszka Matczuk | Individual | Allergy & Immunology Physician | Norwalk, CT |
| 1619115409 | Allergy Center of Connecticut, PC | Organization | Allergy & Immunology Physician | Norwalk, CT |
| 1881744456 | Aymeric Louit | Individual | Allergy & Immunology Physician | Norwalk, CT |
| 1083705891 | Fairfield County Allergy Asthma & Immunology Associates PC | Organization | Allergy & Immunology Physician | Norwalk, CT |
| 1780775577 | Joseph Sproviero | Individual | Allergy & Immunology Physician | Norwalk, CT |
| 1215383864 | Kaoru Harada | Individual | Allergy & Immunology Physician | Norwalk, CT |
| 1447341243 | Mark Litchman | Individual | Allergy & Immunology Physician | Norwalk, CT |
| 1538100557 | Michael Lewin | Individual | Allergy & Immunology Physician | Norwalk, CT |
| 1881785673 | Mitchell Lester | Individual | Allergy Physician | Norwalk, CT |
| 1386700854 | Philip Hemmers | Individual | Allergy & Immunology Physician | Norwalk, CT |
Frequently asked questions
How many Allergy & Immunology providers are in Norwalk, CT?
The latest NPPES snapshot lists 10 active Allergy & Immunology providers with a practice address in Norwalk, Connecticut.
How do I check a Allergy & Immunology provider's NPI in Norwalk?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.
Source: CMS NPPES (public data). Snapshot 2026-07-10.