MR. EFREN CASTRO
NPI 1235319922
Counselor - Addiction (Substance Use Disorder) in Pomona, CA

Active since November 09, 2007
558 N TOWNE AVE, POMONA, CA 91767(909) 622-2273 Get Directions Write a Review

NPPES record last updated: November 9, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. Efren Castro NPPES

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

MR. EFREN CASTRO (NPI 1235319922) is an individual addiction (substance use disorder) provider in Pomona, California and active in the NPI registry since November 2007.

NPPES Registry Identity

NPI1235319922
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMR. EFREN CASTRO
Location Address558 N TOWNE AVEPomona, CA 91767-4826
Mailing Address558 N Towne AvePomona, CA 91767-4826 · (909) 622-2273
Sole ProprietorNo
Enumeration DateNovember 9, 2007
NPI 1235319922 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
558 N TOWNE AVE, Pomona, CA 91767

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.

Counselor (Addiction (Substance Use Disorder))
558 N TOWNE AVE
POMONA, CA 91767
Counselor (Addiction (Substance Use Disorder))
558 N TOWNE AVE
POMONA, CA 91767
Counselor (Addiction (Substance Use Disorder))
558 N TOWNE AVE
POMONA, CA 91767
Counselor (Addiction (Substance Use Disorder))
558 N TOWNE AVE
POMONA, CA 91767
Counselor (Addiction (Substance Use Disorder))
558 N TOWNE AVE
POMONA, CA 91767
Counselor (Addiction (Substance Use Disorder))
558 N TOWNE AVE
POMONA, CA 91767
Counselor (Addiction (Substance Use Disorder))
558 N TOWNE AVE
POMONA, CA 91767
Counselor (Addiction (Substance Use Disorder))
558 N TOWNE AVE
POMONA, CA 91767

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 Efren Castro's NPI number?

The NPI number for Efren Castro is 1235319922. It was assigned to this individual provider in the NPPES registry on November 9, 2007.

Where is Efren Castro located?

Efren Castro practices at 558 N Towne Ave, Pomona, CA 91767. The listed phone number is (909) 622-2273.

What is Efren Castro's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Efren Castro was last updated on November 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.