Find an allergist near you
Allergists treat allergies, asthma and immune system disorders, including allergy testing and allergy shots.
Allergists3,586Medicare-enrolled nationwide
States50with at least one allergist
Most inCA708 in California
Per 100,000 people1.1U.S. average
Allergists by state
Darker states have more allergists for their population. Select a state to see its cities.
Allergists per 100,000 residents
Cities with the most allergists
Every state
Questions about allergists
What does an allergist do?
Allergists treat allergies, asthma and immune system disorders, including allergy testing and allergy shots.
How many allergists are there in the U.S.?
3,586 allergists are enrolled in Medicare according to CMS (data imported October 2026), about 1.1 for every 100,000 people. California has the most, with 708.
How do I find an allergist near me?
Choose your state, then your city, to see every Medicare-enrolled allergist practicing there with their address, phone number and hospital affiliations. If you have insurance other than Original Medicare, check the doctor is in your plan's network before booking.
Related specialties
Counts are distinct clinicians whose primary Medicare specialty is allergy and immunology; a clinician practicing in several cities appears in each city. Source: CMS Doctors and Clinicians national file, imported October 2026; population from the U.S. Census Bureau. About the data.