Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. William G Harris, MD

Individual provider Allergy & Immunology Physician · NPI 1922065788

Dr. William G Harris, MD is an Allergy/Immunology in Orange, California. Qualified in 1987, 39 years ago. Practices with Allergy Partners of California Inc, a 12-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
39
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1140 W La Veta Ave Ste 850
Orange, CA 92868-4218
Phone: (714) 771-7994
Fax: (714) 744-4167
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence G64493 (CA)

Record details

NPI number1922065788
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 27, 2006
Last updated in NPPESDecember 14, 2023
Certification dateDecember 14, 2023
Mailing addressPo Box 603725, Charlotte, NC 28260-3725

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyALLERGY/IMMUNOLOGY
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Allergy Partners Of California Inc — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Orange