SiteCity Business Directory

Allergy and Immunology

Washington

22 businesses listed. How we order them.

Allergy and Immunology in Washington by the numbers

SiteCity lists 22 businesses under Allergy and Immunology in Washington, DC, as of September 28, 2026. 22 list a phone number and 20 list a website.

Most-listed ZIP codes: 20006 (4), 20036 (4) and 20037 (4).

Listings come from Overture Maps Foundation places data (release 2026-08-19.0, which includes Foursquare OS Places) and from businesses added or updated through SiteCity. How we count.

Listings22

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