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

DIANA L CORTESE BCBA
NPI 1538467022
Behavior Analyst in Redondo Beach, CA

Q: What is Diana Cortese's NPI number?

The NPI number for Diana Cortese is 1538467022. It was assigned to this individual provider in the NPPES registry on March 7, 2011.

Q: What is Diana Cortese's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Diana Cortese was last updated on September 29, 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.

Active since March 07, 2011

119 W TORRANCE BLVD STE 100, REDONDO BEACH, CA 90277(310) 374-3300(310) 374-3307 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

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About Diana L Cortese Bcba NPPES

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

DIANA L CORTESE BCBA (NPI 1538467022) is an individual behavior analyst provider in Redondo Beach, California, licensed in (1-02-0943) and active in the NPI registry since March 2011.

NPPES Registry Identity

NPI1538467022

Entity TypeIndividualFemale

Primary Taxonomy103K00000X

Provider Legal NameDIANA L CORTESECredential: BCBA

Location Address119 W TORRANCE BLVD STE 100Redondo Beach, CA 90277-3600

Mailing Address119 W Torrance Blvd Ste 100Redondo Beach, CA 90277-3600 · (310) 374-3300 · Fax (310) 374-3307

Phone(310) 374-3300

Fax(310) 374-3307

Sole ProprietorNo

Enumeration DateMarch 7, 2011

Last NPPES UpdateSeptember 29, 2026

NPPES CertifiedSeptember 29, 2026

✔ NPI 1538467022 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers

Taxonomy Code103K00000X

License✔ Licensed · 1-02-0943

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.

119 W TORRANCE BLVD STE 100, Redondo Beach, CA 90277

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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.

SHALONDA WARD

Assistant Behavior Analyst