How clinicians list their primary taxonomy. Based on 5,778 individual clinician (NPI-1) records with a primary allergy and immunology taxonomy in the federal NPI Registry.
| Item | Count |
|---|---|
| Allergy & Immunology | 3,963 |
| Allergy & Immunology, Allergy | 1,000 |
| Internal Medicine, Allergy & Immunology | 591 |
| Pediatrics, Pediatric Allergy/Immunology | 144 |
| Allergy & Immunology, Clinical & Laboratory Immunology | 75 |
| Otolaryngology, Otolaryngic Allergy | 4 |
| Dermatology, Clinical & Laboratory Dermatological 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.
Use this chart with credit to Immunologists.com. See the full chart library or the directory.
Sources
- NPPES NPI Registry (Centers for Medicare and Medicaid Services)
- Counts come from a November 2026 pull of the NPPES NPI Registry API, filtered to records whose primary taxonomy is allergy and immunology. Individual clinicians are NPI-1 records and organizations are NPI-2 records. National counts by primary taxonomy.
