Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Michael David O'Reilly, PA-C

Individual provider Physician Assistant · NPI 1669139879

Michael David O'Reilly, PA-C is a Physician Assistant in Orange, California. Qualified in 2021, 5 years ago. Practices with Regents of the University of California, a 48-clinician group and accepts Medicare assignment. Licensed in California and Nevada.

Years since qualifying
5
Licensed in
CA, NV
In the registry since
2021
Specialties on file
3
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

101 The City Dr S
Orange, CA 92868-3201
Phone: (714) 456-8888
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA60602 (CA)
Physician Assistant Taxonomy 363A00000X · Licence PA2557 (NV)
Physician Assistant Taxonomy 363A00000X

Record details

NPI number1669139879
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedNovember 22, 2021
Last updated in NPPESNovember 6, 2025
Certification dateNovember 6, 2025

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Regents Of The University Of California — 48 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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