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

Silvia Alonzo, MS, PA-C

Individual provider Medical Physician Assistant · NPI 1942586623

Silvia Alonzo, MS, PA-C is a Physician Assistant in Diamond Bar, California. Qualified in 2011, 15 years ago. Practices with Providence Medical Foundation, a 1,465-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
15
Licensed in
CA
In the registry since
2011
What do these letters mean?
MS — Master of Science
A graduate science degree.
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

1514 Valley Vista Dr
Diamond Bar, CA 91765-3929
Phone: (909) 860-1144
Fax: (909) 860-7684
Show map & directions

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

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence PA21842 (CA)

Record details

NPI number1942586623
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , PA-C
Sole proprietorYes
NPI enumeratedOctober 26, 2011
Last updated in NPPESOctober 14, 2021
Certification dateOctober 14, 2021

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Providence Medical Foundation — 1465 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Diamond Bar