Allergy & Immunology in Orange, CA

14 active Allergy & Immunology providers practice in Orange, California according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Allergy & Immunology providers in Orange, CA
NPI Name Type Specialty Location
1770514945 Alan E. Gorenberg MD, Inc. Organization Allergy Physician Orange, CA
1730115221 Alan Gorenberg Individual Allergy & Immunology Physician Orange, CA
1588779631 Chao-I Lin Individual Allergy & Immunology Physician Orange, CA
1518055011 Donald Levy Individual Allergy & Immunology Physician Orange, CA
1053332155 Galant and Lin MD'S Inc. Organization Allergy & Immunology Physician Orange, CA
1053532366 Sarah Field Individual Allergy Physician Orange, CA
1780799809 Stanley Galant Individual Allergy & Immunology Physician Orange, CA
1932391471 Wan-Yin Chan Individual Allergy & Immunology Physician Orange, CA
1922065788 William Harris Individual Allergy & Immunology Physician Orange, CA

Frequently asked questions

How many Allergy & Immunology providers are in Orange, CA?
The latest NPPES snapshot lists 14 active Allergy & Immunology providers with a practice address in Orange, California.
How do I check a Allergy & Immunology provider's NPI in Orange?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.

Source: CMS NPPES (public data). Snapshot 2026-07-10.