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

Julia Alexa Ondarza, PA-C

Individual provider Physician Assistant · NPI 1013537794

Julia Alexa Ondarza, PA-C is a Physician Assistant in Walnut Creek, California. Qualified in 2019, 7 years ago. Practices with Nextgen Rpm, a 6-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
7
Licensed in
CA
In the registry since
2020
Specialties on file
2
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

See every abbreviation used in this directory →

Practice location Address checks out

2637 Shadelands Dr
Walnut Creek, CA 94598-2512
Phone: (925) 430-5335
Fax: (925) 430-5446
Show map & directions

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

Additional practice locations (2)

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

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 60191 (CA)
Medical Physician Assistant Taxonomy 363AM0700X · Licence 60191 (CA)

Record details

NPI number1013537794
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedApril 22, 2020
Last updated in NPPESOctober 29, 2025
Certification dateOctober 29, 2025

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Nextgen Rpm — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Walnut Creek