Individual provider · Type 1 NPI

Julia Alexa Ondarza, PA-C

Physician Assistant · Walnut Creek, CA

NPI number 1013537794 Active

Practice location

2637 Shadelands Dr
Walnut Creek, CA 94598-2512

Call (925) 430-5335 Map

Fax (925) 430-5446

Other practice locations

  • 10120 S Eastern Ave Ste 120, Henderson, NV 89052-3952 · (702) 483-6200
  • 300 Pasteur Dr, Stanford, CA 94305-2200 · (650) 723-4000

Specialties and licenses

TaxonomyCodeLicense
Physician Assistant Primary 363A00000X60191 (CA)
Medical Physician Assistant 363AM0700X60191 (CA)

Physician Assistant: A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, orde…

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About NPI 1013537794

Julia Alexa Ondarza, PA-C's National Provider Identifier is 1013537794, issued on Apr 22, 2020. The primary taxonomy on file is Physician Assistant (363A00000X), and the practice location is in Walnut Creek, CA. The record was last updated on Oct 29, 2025.