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

Jon Onosaki, PA-C

Individual provider Physician Assistant · NPI 1396059754

Jon Onosaki, PA-C is a Physician Assistant in Orange, California. Qualified in 2007, 19 years ago. Practices with Providence Medical Foundation, a 1,465-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
19
Licensed in
CA
In the registry since
2010
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

280 S Main St Ste 200
Orange, CA 92868-3852
Phone: (714) 634-4567
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 4300 Rose Dr, Yorba Linda, CA 92886-2026 — (714) 577-6880

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA19725 (CA)

Record details

NPI number1396059754
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedJuly 27, 2010
Last updated in NPPESNovember 9, 2021
Certification dateNovember 9, 2021

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Providence Medical Foundation — 1465 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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