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

Michael Owen Walker, PA

Individual provider Physician Assistant · NPI 1346277084

Michael Owen Walker, PA is a Physician Assistant in Newport Beach, California. Qualified in 2003, 23 years ago. Practices with Orthopaedic Specialty Institute Medical Group of Orange County, a 63-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
23
Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

360 San Miguel Dr Ste 701
Newport Beach, CA 92660-7853
Phone: (949) 759-3600
Fax: (949) 759-0282
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgical Physician Assistant (primary) Taxonomy 363AS0400X · Licence PA17200 (CA)
Physician Assistant Taxonomy 363A00000X · Licence PA17200 (CA)

Record details

NPI number1346277084
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedJune 27, 2006
Last updated in NPPESSeptember 11, 2025

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Orthopaedic Specialty Institute Medical Group Of Orange County — 63 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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