The federal NPI Registry lists 18 individual clinicians in Delaware with allergy and immunology as their primary specialty, plus 7 organizations. That ranks Delaware 41st among the 50 states and DC by listed clinicians.
Cities with the most listed clinicians
| City | Clinicians listed |
|---|---|
| Wilmington | 9 |
| Newark | 5 |
| Dover | 2 |
| Lewes | 1 |
| Rehoboth Beach | 1 |
Specialty mix
| Primary taxonomy | Clinicians |
|---|---|
| Allergy & Immunology | 11 |
| Allergy & Immunology, Allergy | 5 |
| Pediatrics, Pediatric Allergy/Immunology | 1 |
| Internal Medicine, Allergy & Immunology | 1 |
This pull searched the registry's Allergy & Immunology taxonomy. Pediatric subspecialists are registered under separate pediatric taxonomies, so the pediatric rows here undercount them.
Organizations listed on Immunologists.com
4 of the 7 allergy and immunology organizations in the Delaware registry count have a profile on Immunologists.com so far. The rest don't have a listing here yet, and a profile is not an endorsement.
- David P Wien, MD LLC
- Asthma And Allergy Care Of Delaware, P.A.
- Michael M Wydila MD PA
- Family Allergy & Asthma Care Consultants LLC
For practice owners
Planning a sale, a partner buy-in or a new hire in Delaware? Run the numbers with the practice calculators, or text Richard at (808) 600-9260 about growth capital.
Sources
- NPPES NPI Registry (Centers for Medicare and Medicaid Services), primary taxonomy counts by practice location state
- Counts come from a November 2026 pull of the NPPES NPI Registry API, filtered to records whose primary taxonomy is allergy and immunology and grouped by practice location address. Individual clinicians are NPI-1 records and organizations are NPI-2 records.
Immunologists.com is a business directory and education site. It does not give medical advice, rank or rate care, or refer patients. Listings come from public registry data and are not endorsements.
