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

Stephen Styadi, PHYSICIANASSISTANT

Individual provider Medical Physician Assistant · NPI 1093024994

Stephen Styadi, PHYSICIANASSISTANT is a Physician Assistant in Ontario, California. Qualified in 2010, 16 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
16
Licensed in
CA
In the registry since
2010
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Practice location Address checks out

1760 E Flora St
Ontario, CA 91764-4458
Phone: (909) 641-5703
Fax: (760) 949-1236
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence PA21209 (CA)

Record details

NPI number1093024994
Entity typeIndividual (Type 1)
GenderMale
Credentials PHYSICIANASSISTANT
Sole proprietorYes
NPI enumeratedSeptember 27, 2010
Last updated in NPPESOctober 24, 2021
Certification dateOctober 24, 2021
Mailing address1760 E Flora St, Ontario, CA 91764-4458

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2010 (16 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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