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Allergy & Immunology Providers - NPI Directory

Active Allergy & Immunology providers in the latest NPPES snapshot. Allergy & Immunology falls under the “Allopathic & Osteopathic Physicians” taxonomy grouping and spans 3 NUCC taxonomy codes. Browse by state, or look a provider up by name or NPI number.

7,306 providers with an NPI

Allergy & Immunology by state

California 848 Texas 653 New York 600 Florida 457 Pennsylvania 316 Illinois 300 New Jersey 271 Michigan 262 Virginia 242 Ohio 240 Maryland 237 Massachusetts 234 … 39 more states below …

Active Allergy & Immunology providers by primary practice state, latest NPPES snapshot.

All states, A-Z

State	Providers
Allergy & Immunology in Alabama	56
Allergy & Immunology in Alaska	17
Allergy & Immunology in Arizona	144
Allergy & Immunology in Arkansas	44
Allergy & Immunology in California	848
Allergy & Immunology in Colorado	161
Allergy & Immunology in Connecticut	105
Allergy & Immunology in Delaware	23
Allergy & Immunology in District of Columbia	35
Allergy & Immunology in Florida	457
Allergy & Immunology in Georgia	199
Allergy & Immunology in Hawaii	26
Allergy & Immunology in Idaho	21
Allergy & Immunology in Illinois	300
Allergy & Immunology in Indiana	108
Allergy & Immunology in Iowa	50
Allergy & Immunology in Kansas	49
Allergy & Immunology in Kentucky	113
Allergy & Immunology in Louisiana	92
Allergy & Immunology in Maine	17
Allergy & Immunology in Maryland	237
Allergy & Immunology in Massachusetts	234
Allergy & Immunology in Michigan	262
Allergy & Immunology in Minnesota	116
Allergy & Immunology in Mississippi	41
Allergy & Immunology in Missouri	98

State	Providers
Allergy & Immunology in Montana	22
Allergy & Immunology in Nebraska	30
Allergy & Immunology in Nevada	40
Allergy & Immunology in New Hampshire	28
Allergy & Immunology in New Jersey	271
Allergy & Immunology in New Mexico	34
Allergy & Immunology in New York	600
Allergy & Immunology in North Carolina	207
Allergy & Immunology in North Dakota	9
Allergy & Immunology in Ohio	240
Allergy & Immunology in Oklahoma	50
Allergy & Immunology in Oregon	74
Allergy & Immunology in Pennsylvania	316
Allergy & Immunology in Puerto Rico	31
Allergy & Immunology in Rhode Island	26
Allergy & Immunology in South Carolina	92
Allergy & Immunology in South Dakota	9
Allergy & Immunology in Tennessee	149
Allergy & Immunology in Texas	653
Allergy & Immunology in Utah	53
Allergy & Immunology in Vermont	8
Allergy & Immunology in Virginia	242
Allergy & Immunology in Washington	132
Allergy & Immunology in West Virginia	30
Allergy & Immunology in Wisconsin	100

Taxonomy codes for Allergy & Immunology

207K00000X Allergy & Immunology Physician 5,519 207KA0200X Allergy Physician 1,658 207KI0005X Clinical & Laboratory Immunology (Allergy & Immunology) Physician 129

Frequently asked questions

How do I find a Allergy & Immunology provider's NPI number?

Search by name with the NPI search, or browse by state below. Every profile shows the provider's NPI, taxonomy code, practice address, and NPPES status.

What taxonomy codes does Allergy & Immunology use?

Allergy & Immunology covers 3 NUCC taxonomy codes, including 207K00000X (Allergy & Immunology Physician). Each code page explains when it applies.

How many Allergy & Immunology providers are there in the U.S.?

Our latest NPPES snapshot lists 7,306 active providers with Allergy & Immunology as their primary taxonomy.

Source: CMS NPPES (public data). Snapshot 2026-07-13.