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

Stephen Lyon, PA

Individual provider Surgical Physician Assistant · NPI 1477007573

Stephen Lyon, PA is a Physician Assistant in San Diego, California. Qualified in 2016, 10 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group, works from 2 locations and accepts Medicare assignment.

Years since qualifying
10
In the registry since
2016
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

4647 Zion Ave
San Diego, CA 92120-2507
Phone: (619) 528-5000
Show map & directions

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

Additional practice locations (1)

  • 400 N Pepper Ave, Colton, CA 92324-1801 — (909) 580-3390

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X
Surgical Physician Assistant Taxonomy 363AS0400X

Record details

NPI number1477007573
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedAugust 8, 2016
Last updated in NPPESDecember 8, 2021

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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