Top 15 cities by individual clinicians with this primary specialty. Based on 5,778 individual clinician (NPI-1) records with a primary allergy and immunology taxonomy in the federal NPI Registry.
| Item | Count |
|---|---|
| New York, NY | 117 |
| Boston, MA | 81 |
| Houston, TX | 74 |
| Chicago, IL | 73 |
| San Diego, CA | 64 |
| Los Angeles, CA | 60 |
| Philadelphia, PA | 58 |
| Bethesda, MD | 48 |
| Brooklyn, NY | 45 |
| San Antonio, TX | 43 |
| Charlotte, NC | 43 |
| Dallas, TX | 42 |
| Seattle, WA | 41 |
| Cincinnati, OH | 40 |
| Saint Louis, MO | 39 |
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. Counts by practice location city.
