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

MS. Esther Loya, PAC

Individual provider Medical Physician Assistant · NPI 1548557309

MS. Esther Loya, PAC is a Physician Assistant in Montclair, 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
2011
What do these letters mean?
PAC — Physician Assistant, Certified
A physician assistant holding current national certification; usually written PA-C.

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Practice location Address checks out

8891 Central Ave
Montclair, CA 91763-1618
Phone: (909) 297-3361
Fax: (909) 621-1397
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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 PA 21261 (CA)

Record details

NPI number1548557309
Entity typeIndividual (Type 1)
GenderFemale
Credentials PAC
Sole proprietorYes
NPI enumeratedJune 30, 2011
Last updated in NPPESNovember 17, 2021
Certification dateNovember 17, 2021

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
Practice locations2 on file with Medicare

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