Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STEFANIA VILLANUEVA
NPI 1295611341
Physician Assistant in Oxnard, CA

Active since August 14, 2025
1910 OUTLET CENTER DR, OXNARD, CA 93036(805) 485-2400(805) 485-3025 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 14, 2026, Mar 5, 2026, Aug 14, 2025 (3 updates tracked since 2025).

About Stefania Villanueva NPPES

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

STEFANIA VILLANUEVA (NPI 1295611341) is an individual physician assistant in Oxnard, California, licensed in California (66713) and active in the NPI registry since August 2025. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1295611341
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameSTEFANIA VILLANUEVA
Location Address1910 OUTLET CENTER DROxnard, CA 93036-0677
Mailing Address309 E 2nd StPomona, CA 91766-1854 · (909) 623-6116
Fax(805) 485-3025
Sole ProprietorYes
Enumeration DateAugust 14, 2025
Last NPPES UpdateAugust 14, 20263 updates tracked since enumeration
NPPES CertifiedAugust 14, 2026
NPI 1295611341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in CA · 66713
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
1910 OUTLET CENTER DR, Oxnard, CA 93036

Secondary Practice Locations 2

Location 11700 N Rose AveOxnard, CA 93030-3790 · Phone (805) 485-8709
Location 24000 Calle Tecate Ste 105Camarillo, CA 93012-5283 · Phone (805) 485-2400 · Fax (805) 485-3025

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Acute Care)
1910 OUTLET CENTER DR
OXNARD, CA 93036
Contractor
1910 OUTLET CENTER DR
OXNARD, CA 93036
Internal Medicine (Pulmonary Disease)
1910 OUTLET CENTER DR
OXNARD, CA 93036
Nurse Practitioner (Family)
1910 OUTLET CENTER DR
OXNARD, CA 93036
Internal Medicine (Pulmonary Disease)
1910 OUTLET CENTER DR
OXNARD, CA 93036
Internal Medicine (Pulmonary Disease)
1910 OUTLET CENTER DR
OXNARD, CA 93036
Internal Medicine (Pulmonary Disease)
1910 OUTLET CENTER DR
OXNARD, CA 93036
Physician Assistant
1910 OUTLET CENTER DR
OXNARD, CA 93036

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 Stefania Villanueva's NPI number?

The NPI number for Stefania Villanueva is 1295611341. It was assigned to this individual provider in the NPPES registry on August 14, 2025.

Where is Stefania Villanueva located?

Stefania Villanueva practices at 1910 Outlet Center Dr, Oxnard, CA 93036. The listed phone number is (805) 485-2400.

What is Stefania Villanueva's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for Stefania Villanueva was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.