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

MELISSA CASTELLANOS
NPI 1407521818
Student in an Organized Health Care Education/Training Program in Downey, CA

Active since August 09, 2021
9300 IMPERIAL HWY, DOWNEY, CA 90242(562) 922-6111 Get Directions Write a Review

NPPES record last updated: August 21, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 21, 2026, Aug 9, 2021 (2 updates tracked since 2021).

About Melissa Castellanos NPPES

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

MELISSA CASTELLANOS (NPI 1407521818) is an individual student in an organized health care education/training program in Downey, California and active in the NPI registry since August 2021.

NPPES Registry Identity

NPI1407521818
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameMELISSA CASTELLANOS
Location Address9300 IMPERIAL HWYDowney, CA 90242-2813
Mailing Address6920 E 11th StLong Beach, CA 90815-4936 · (323) 245-2394
Phone(562) 922-6111
Sole ProprietorYes
Enumeration DateAugust 9, 2021
Last NPPES UpdateAugust 21, 20262 updates tracked since enumeration
NPPES CertifiedAugust 21, 2026
✔ NPI 1407521818 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.
9300 IMPERIAL HWY, Downey, CA 90242
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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.

MISS CLAUDIA V GONZALEZ
Health and Wellness Coach
9300 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 922-7488
VERENICE PEREZ-JARAMILLO
Health and Wellness Coach
9300 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 922-7488
MR. DEVIN PATRICK GAUDE BSW
Health and Wellness Coach
9300 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 922-7488
JENNA ISABELLA NICHOLS
Student in an Organized Health Care Education/Training Program
9300 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 803-8441
CESAR ALBERTO VARGAS QUINONES
Rehabilitation Practitioner
9300 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 922-6111
MELANIE REILLY
Health and Wellness Coach
9300 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 922-7488
MS. EVELYN ISABEL GARCIA LCSW, PPSC
Social Worker (Clinical)
9300 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (310) 956-0444
DANIELLE MARIE SABAS
Student in an Organized Health Care Education/Training Program
9300 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 922-6111

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 Melissa Castellanos's NPI number?

The NPI number for Melissa Castellanos is 1407521818. It was assigned to this individual provider in the NPPES registry on August 9, 2021.

Where is Melissa Castellanos located?

Melissa Castellanos practices at 9300 Imperial Hwy, Downey, CA 90242. The listed phone number is (562) 922-6111.

What is Melissa 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 Melissa Castellanos was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.