Allergy & Immunology in Delaware — NPI Providers

23 active Allergy & Immunology providers have a practice location in Delaware according to the latest NPPES snapshot. Each profile shows the NPI number, taxonomy code, license details, and practice address — useful for claims, credentialing, and verifying a provider.

Allergy & Immunology providers in Delaware

NPI	Name	Type	Specialty	Location
1871525626	Asthma and Allergy Care of Delaware, P.A.	Organization	Allergy & Immunology Physician	Newark, DE
1265489173	David P Wien, MD LLC	Organization	Allergy Physician	Wilmington, DE
1861470767	Gregory Marcotte	Individual	Allergy & Immunology Physician	Wilmington, DE
1891793352	Joel Temple	Individual	Allergy Physician	Dover, DE
1548353345	Leonard Seltzer	Individual	Allergy & Immunology Physician	Wilmington, DE
1093876716	Michael M Wydila MD PA	Organization	Allergy & Immunology Physician	Wilmington, DE
1760495097	Michael Wydila	Individual	Allergy & Immunology Physician	Wilmington, DE
1144258120	Quan Nguyen	Individual	Allergy Physician	Newark, DE
1831134170	Richard Kim	Individual	Allergy & Immunology Physician	Wilmington, DE
1134181613	Shankar Lakhani	Individual	Allergy Physician	Dover, DE
1225249113	Sokun Bhatti	Individual	Allergy & Immunology Physician	Newark, DE
1558407981	Trong Le	Individual	Allergy & Immunology Physician	Wilmington, DE
1003848474	William Geimeier	Individual	Allergy Physician	Newark, DE

Allergy & Immunology by city in Delaware

Frequently asked questions

How many Allergy & Immunology providers are in Delaware?

The latest NPPES snapshot lists 23 active providers with Allergy & Immunology as their primary taxonomy and a practice location in Delaware.

How do I verify a Allergy & Immunology provider's NPI in Delaware?

Open the provider's profile below to see their NPI, taxonomy code, license state, and practice address, then cross-check against the official NPPES registry (linked on every profile).

Can I get this data through an API?

Yes — the NPI Portal API provides JSON search by specialty, state, and city, plus batch NPI verification.

Source: CMS NPPES (public data). Snapshot 2026-07-09.