Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

GUSTAVO CASTELLANOS
NPI 1457257933
Student in an Organized Health Care Education/Training Program in Los Angeles, CA

Q: What is Gustavo Castellanos's NPI number?

The NPI number for Gustavo Castellanos is 1457257933. It was assigned to this individual provider in the NPPES registry on October 20, 2026.

Q: What is Gustavo Castellanos's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Active since October 20, 2026

885 TIVERTON DRIVE GEFFEN HALL SUITE 305, LOS ANGELES, CA 90095(209) 485-4305 Get Directions Write a Review

NPPES record added: October 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Gustavo Castellanos NPPES

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

GUSTAVO CASTELLANOS (NPI 1457257933) is an individual student in an organized health care education/training program in Los Angeles, California and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1457257933

Entity TypeIndividualMale

Primary Taxonomy390200000X

Provider Legal NameGUSTAVO CASTELLANOS

Location Address885 TIVERTON DRIVE GEFFEN HALL SUITE 305Los Angeles, CA 90095-0001

Mailing Address885 Tiverton Drive Geffen Hall Suite 305Los Angeles, CA 90095-0001 · (209) 485-4305

Phone(209) 485-4305

Sole ProprietorNo

Enumeration DateOctober 20, 2026

NPPES CertifiedOctober 20, 2026

✔ NPI 1457257933 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care

Taxonomy Code390200000X

Definition

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

885 TIVERTON DRIVE GEFFEN HALL SUITE 305, Los Angeles, CA 90095

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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 Gustavo Castellanos's NPI number?

The NPI number for Gustavo Castellanos is 1457257933. It was assigned to this individual provider in the NPPES registry on October 20, 2026.

Where is Gustavo Castellanos located?

Gustavo Castellanos practices at 885 Tiverton Drive Geffen Hall Suite 305, Los Angeles, CA 90095. The listed phone number is (209) 485-4305.

What is Gustavo Castellanos's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for Gustavo Castellanos was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.