HealthcareDiscovery.AI / Doctors / California / Orange / Allergy & Immunology

Allergy & Immunology in Orange, California

Data updated monthly · Last refresh September 2026

10 Allergy & Immunology providers practice in Orange. Listings are drawn from federal public records and are not endorsements.

Allergy & Immunology providers in Orange

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Alan Gorenberg, MD
Orange, CA · $135 in drug and device payments (2025) · Telehealth · (714) 633-4666
Dr. Chao-i Lin, MD
Orange, CA · $1,995 in drug and device payments (2025) · (714) 771-7994
Dr. Diem-tran Nguyen, MD
Orange, CA · $574 in drug and device payments (2025) · (714) 633-6363
Dr. Donald Levy, MD
Orange, CA · $37,661 in drug and device payments (2025) · Telehealth · (714) 639-7847
Dr. Jason Wong
Orange, CA · $60 in drug and device payments (2025) · Telehealth · (714) 456-5636
Dr. Melissa Dang, MD
Orange, CA · $789 in drug and device payments (2025) · (714) 456-5636
Dr. Stanley Galant, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 771-7994
Dr. Wan-yin Chan, M.D.
Orange, CA · $5,787 in drug and device payments (2025) · (714) 633-6363
Dr. William Harris, MD
Orange, CA · $1,525 in drug and device payments (2025) · (714) 771-7994
Dr. Yela Jung, MD
Orange, CA · $1,152 in drug and device payments (2025) · (714) 771-7994

Conditions Allergy & Immunology providers in Orange, California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Allergy & Immunology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Allergy & Immunology providers are in Orange, California?

There are 10 Allergy & Immunology providers with active NPI records practicing in Orange, according to federal NPPES data refreshed monthly.

What conditions do Allergy & Immunology providers in Orange treat?

Allergy & Immunology providers in Orange commonly treat seasonal allergies, food allergies, asthma, eczema, chronic hives and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider records 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.

All specialties in Orange Allergy & Immunology across California

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.