Allergy & Immunology Specialists in Orange, CA
Browse 9 Allergy & Immunology providers listed in NPPES with a practice address in Orange, California.
How Orange compares with the U.S.
9 active clinicians in Allergy & Immunology list a practice address in Orange, CA in the NPI registry.
With fewer than 10 clinicians, rates per 100,000 residents are not reliable enough to compare.
Too few clinicians in Allergy & Immunology in Orange are listed in the CMS Medicare file to report Medicare assignment or telehealth shares.
These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.
Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com · Methodology
Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026.
Dr. Wan-Yin Chan , MD
Allergy & Immunology
Dr. Alan E. Gorenberg , MD
Allergy & Immunology
Dr. William G Harris , MD
Allergy & Immunology
Dr. Yela Jung , MD
Allergy & Immunology
Dr. Donald Levy , MD
Allergy & Immunology
Dr. Chao-I Lin , MD
Allergy & Immunology
Jason Patrick Wong
Allergy & Immunology
Dr. Stanley Paul Galant , MD
Allergy & Immunology
Dr. Diem-Tran Isabelle Nguyen , MD
Allergy & Immunology
Frequently Asked Questions about Allergy & Immunology in Orange
Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the California licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.
This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.
Other Specialties in Orange
- Student in an Organized Health Care Education/Training Program 871
- Social Worker - Clinical 309
- Pharmacist 228
- Physician Assistant 181
- Dentist 147
- Nurse Practitioner 147
- Nurse Practitioner - Family 137
- Physical Therapist 133
- Dentist - General Practice 107
- Nurse Anesthetist, Certified Registered 77
- Occupational Therapist 62
- Chiropractor 60
Allergy & Immunology Specialists in Other California Cities
Cities with the most listed practitioners first.