SIERRA ANN LUJAN PHYSICIAN ASSISTANT - NPI 1710847041 - Physician Assistant in Upland, CA

Q: What is Sierra Lujan's NPI number?

The NPI number for Sierra Lujan is 1710847041. It was assigned to this individual provider in the NPPES registry on November 18, 2025.

Q: What is Sierra Lujan's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Q: When was this NPI record last updated?

The NPPES record for Sierra Lujan was last updated on November 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

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About Sierra Ann Lujan Physician Assistant NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIERRA ANN LUJAN PHYSICIAN ASSISTANT (NPI 1710847041) is an individual medical provider in Upland, California and active in the NPI registry since November 2025.

NPPES Registry Identity

NPI1710847041

Entity TypeIndividualFemale

Primary Taxonomy363AM0700X

Provider Legal NameSIERRA ANN LUJANCredential: PHYSICIAN ASSISTANT

Location Address1162 E 19TH STUpland, CA 91784-9217

Mailing Address2231 N Vallejo WayUpland, CA 91784-1348 · (909) 938-3828

Phone(909) 938-3828

Sole ProprietorNo

Enumeration DateNovember 18, 2025

NPPES CertifiedNovember 18, 2025

✔ NPI 1710847041 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AM0700X

1162 E 19TH ST, Upland, CA 91784

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sierra Lujan's NPI number?

The NPI number for Sierra Lujan is 1710847041. It was assigned to this individual provider in the NPPES registry on November 18, 2025.

Where is Sierra Lujan located?

Sierra Lujan practices at 1162 E 19th St, Upland, CA 91784. The listed phone number is (909) 938-3828.

What is Sierra Lujan's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

When was this NPI record last updated?

The NPPES record for Sierra Lujan was last updated on November 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.