HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

WILLIAM GUST HARRIS, MD

ALLERGY/IMMUNOLOGY

Graduated: 1987

NPI: 1922065788

Practice Locations (1)

ALLERGY PARTNERS OF CALIFORNIA INC

4050 BARRANCA PKWY, SUITE 110

IRVINE, CA 926041725

7147717994

Source: CMS National Downloadable File, September 2026.

WILLIAM HARRIS, MD | HealthCareAtlasUSA