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Allergy Providers in the United States

Data updated monthly · Last refresh September 2026

982 Allergy providers practice across all 50 states and Washington DC, and 52% received drug or device company payments in 2025. California has the most at 157. Listings are drawn from federal public records and are not endorsements.

982providers
42states
52%with industry payments

Industry payment share ranges from 65% in Texas to 22% in Massachusetts, among states with 25 or more providers.

Allergy providers by state

StateProvidersReceived payments
Allergy in California15746%
Allergy in New York10652%
Allergy in Texas7565%
Allergy in Florida6563%
Allergy in Illinois5545%
Allergy in New Jersey4257%
Allergy in Maryland3765%
Allergy in Massachusetts3722%
Allergy in Pennsylvania3537%
Allergy in Virginia3259%
Allergy in Michigan3155%
Allergy in Ohio24not reported
Allergy in Georgia23not reported
Allergy in Missouri22not reported
Allergy in Wisconsin18not reported
Allergy in Washington17not reported
Allergy in Connecticut15not reported
Allergy in Tennessee14not reported
Allergy in North Carolina13not reported
Allergy in Colorado12not reported
Allergy in South Carolina12not reported
Allergy in Arizona11not reported
Allergy in New Hampshire11not reported
Allergy in Indiana11not reported
Allergy in Oregon10not reported
Allergy in Kentucky10not reported
Allergy in Alabama10not reported
Allergy in Idaho8not reported
Allergy in Utah8not reported
Allergy in Oklahoma8not reported
Allergy in Minnesota7not reported
Allergy in Nevada6not reported
Allergy in Alaska6not reported
Allergy in Rhode Island5not reported
Allergy in Delaware5not reported
Allergy in Iowa5not reported
Allergy in Washington DC4not reported
Allergy in New Mexico3not reported
Allergy in Montana3not reported
Allergy in West Virginia3not reported
Allergy in Nebraska3not reported
Allergy in Arkansas3not reported

Common questions

How many Allergy providers are there in the United States?

There are 982 Allergy providers with active NPI records across all 50 states and Washington DC, according to federal NPPES data refreshed monthly. California has the most at 157.

What share of Allergy providers received drug or device company payments?

510 of 982 Allergy providers nationally (52%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program. The share is highest in Texas at 65% and lowest in Massachusetts at 22%.

Where does this data come from?

Provider counts come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.