207K00000X
Allergy & Immunology Allergy Taxonomy Code 207KA0200X
207KA0200X
Level III - Area of Specialization
2,361Registered providers
03Medicare specialty
26.0NUCC version
52States & territories
Definition
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
Code Details for 207KA0200X
About Taxonomy Code 207KA0200X
The taxonomy code 207KA0200X identifies Allergy & Immunology Allergy within the Allopathic & Osteopathic Physicians provider grouping. It is a Level III — Area of Specialization code, the most specific tier: it narrows the parent classification to a defined subspecialty.
NPI records show 2,361 registered providers whose primary or secondary taxonomy is this code. Of these, 929 (39%) are registered as organizations and 1,432 (61%) as individual providers. The states with the most allergy & immunology allergy providers are California (326), New York (242), Texas (195). For Medicare enrollment, it crosswalks to specialty code 03 (Physician/Allergy/ Immunology).
Taxonomy codes are self-selected by the provider based on their education and training; they describe the provider's type and specialty, not the specific services rendered.
Provider Composition & Statistics
2,361Total providers
929Organizations 39%
1,432Individuals 61%
536Female
896Male
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-07-19T00:00:00.
View all 2,361 providersAllergy & Immunology Allergy Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
2,361
Alabama22Alaska8Arizona44Arkansas13California326Colorado37Connecticut35Delaware15District Of Columbia9Florida162Georgia60Hawaii3Idaho18Illinois105Indiana24Iowa16Kansas9Kentucky26Louisiana10Maine3Maryland67Massachusetts77Michigan72Minnesota20Mississippi6Missouri53Montana8Nebraska8Nevada24New Hampshire14New Jersey98New Mexico11New York242North Carolina33North Dakota4Ohio69Oklahoma19Oregon31Pennsylvania92Puerto Rico9Rhode Island9South Carolina35South Dakota1Tennessee40Texas195Utah17Vermont1Virginia77Washington24West Virginia12Wisconsin37Wyoming3
Frequently Asked Questions
207KA0200X questionsNPPES lists 2,361 registered providers with this taxonomy code (Allergy & Immunology Allergy).
Both. About 39% of these providers are registered as organizations and 61% as individuals.
It crosswalks to Medicare specialty code 03 (Physician/Allergy/ Immunology).
It is a Level III - Area of Specialization code in the NUCC Health Care Provider Taxonomy set. As an area of specialization, it falls under the Allergy & Immunology classification (parent code 207K00000X).
Use the "Providers by state" directory on this page to open the list of allergy & immunology allergy providers registered in any U.S. state.
Source: National Uniform Claim Committee (NUCC) Health Care Provider Taxonomy code set, Version 26.0. Provider counts from NPPES. See nucc.org.
