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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.

ALEJANDRO CASTORENA
NPI 1396402723
Behavior Analyst in Ontario, CA

Active since November 19, 2021
2990 INLAND EMPIRE BLVD STE 100&101, ONTARIO, CA 91764(909) 295-8692 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 28, 2026, Nov 19, 2021 (2 updates tracked since 2021).

About Alejandro Castorena NPPES

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

ALEJANDRO CASTORENA (NPI 1396402723) is an individual behavior analyst provider in Ontario, California and active in the NPI registry since November 2021.

NPPES Registry Identity

NPI1396402723
Entity TypeIndividualMale
Primary Taxonomy103K00000X
Provider Legal NameALEJANDRO CASTORENA
Location Address2990 INLAND EMPIRE BLVD STE 100&101Ontario, CA 91764-4899
Mailing AddressPo Box 740780Atlanta, GA 30374-0780 · (855) 223-7123
Phone(909) 295-8692
Sole ProprietorYes
Enumeration DateNovember 19, 2021
Last NPPES UpdateSeptember 28, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2026
✔ NPI 1396402723 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code103K00000X
Definition
A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.
2990 INLAND EMPIRE BLVD STE 100&101, Ontario, CA 91764
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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.

NARDA TERCERO
Behavior Technician
2990 INLAND EMPIRE BLVD STE 100&101
ONTARIO, CA 91764
San Bernardino County (909) 295-8692
ASHLEY HARO
Behavior Technician
2990 INLAND EMPIRE BLVD STE 100&101
ONTARIO, CA 91764
San Bernardino County (909) 295-8692
KELLINE BURTON
Behavior Technician
2990 INLAND EMPIRE BLVD STE 100&101
ONTARIO, CA 91764
San Bernardino County (909) 295-8692
ANA GARCIA
Behavior Technician
2990 INLAND EMPIRE BLVD STE 100&101
ONTARIO, CA 91764
San Bernardino County (909) 295-8692
SYDNEY SHANEL STEWART
Assistant Behavior Analyst
2990 INLAND EMPIRE BLVD STE 100&101
ONTARIO, CA 91764
San Bernardino County (909) 295-8692
DAISY PADILLA
Behavior Technician
2990 INLAND EMPIRE BLVD STE 100&101
ONTARIO, CA 91764
San Bernardino County (909) 295-8692
CANDICE CARTZDAFNER
Behavior Technician
2990 INLAND EMPIRE BLVD STE 100&101
ONTARIO, CA 91764
San Bernardino County (909) 295-8692
JUSTIN MARTIN
Behavior Technician
2990 INLAND EMPIRE BLVD STE 100&101
ONTARIO, CA 91764
San Bernardino County (909) 295-8692

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 Alejandro Castorena's NPI number?

The NPI number for Alejandro Castorena is 1396402723. It was assigned to this individual provider in the NPPES registry on November 19, 2021.

Where is Alejandro Castorena located?

Alejandro Castorena practices at 2990 Inland Empire Blvd Ste 100&101, Ontario, CA 91764. The listed phone number is (909) 295-8692.

What is Alejandro Castorena's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

When was this NPI record last updated?

The NPPES record for Alejandro Castorena was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.