Jon M. Onosaki, PAC
Yorba Linda, CA 92886
- Mission Heritage Medical Group and Affiliated Physicians
- St. Joseph Heritage Medical Group and Affiliated Physicians
- St. Jude Heritage Medical Group and Affiliated Physicians
St. Jude Heritage Yorba Linda - Orthopedic Surgery
4300 Rose Drive, Suite G, Yorba Linda, CA 92886

2026 Golden State Patient
Experience Award Recipient
The Golden State Patient Experience Awards is Providence’s California-wide program, recognizing providers in Northern and Southern California who consistently deliver outstanding patient experiences, based on patient feedback and experience scores.
Insurances Accepted
This information provides an overview of accepted insurance plan types for new patients. Coverage may vary by specific plan. Please verify with your insurance provider before visiting us for care. Established patients should call to verify insurance acceptance.
- National Commission on Certification of Physician Assistants, Physician Assistant
- National Commission on Certification of Physician Assistants, Orthopaedic Surgery
Community Reviews
At Providence, we're dedicated to providing you quality, personalized health care. We are constantly striving to optimize your experience.
As part of ensuring you have a positive experience with Providence, our online provider directory includes ratings and patient comments for select providers. More about our survey.
Jon is professional and puts you at ease. He is a good listener and explains things thoroughly.
Providence Patient
For me this medical group is the best.
Providence Patient
I love that place and more because the doctors are good people 10 out of 10
Providence Patient
Jon has always provided me the best information on my hip replacement progress. He's top tier.
Providence Patient
Jon the P.A. Was very kind and explained what to expect from the cortisone injection. It was painless and I'm having good pain relief!! I highly recommend him!!
Providence Patient
My experience was pleasant and easy.My knee injections went well.
Providence Patient