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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.

LESLEY LEON
NPI 1164139093
Behavior Analyst in Los Angeles, CA

Active since October 31, 2022
4401 CRENSHAW BLVD STE 215, LOS ANGELES, CA 90043(323) 291-7100 Get Directions Write a Review

NPPES record last updated: June 29, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Lesley Leon NPPES

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

LESLEY LEON (NPI 1164139093) is an individual behavior analyst provider in Los Angeles, California, licensed in California (RBT-23-265424) and active in the NPI registry since October 2022.

NPPES Registry Identity

NPI1164139093
Entity TypeIndividualFemale
Primary Taxonomy103K00000X
Provider Legal NameLESLEY LEON
Location Address4401 CRENSHAW BLVD STE 215Los Angeles, CA 90043-1200
Mailing Address4401 Crenshaw Blvd Ste 215Los Angeles, CA 90043-1200 · (323) 291-7100
Phone(323) 291-7100
Sole ProprietorNo
Enumeration DateOctober 31, 2022
Last NPPES UpdateJune 29, 2026
NPPES CertifiedJune 29, 2026
✔ NPI 1164139093 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 in CA · RBT-23-265424
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.
4401 CRENSHAW BLVD STE 215, Los Angeles, CA 90043
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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.

RYAN JACOB BARROSO M.S., BCBA
Behavior Analyst
4401 CRENSHAW BLVD STE 215
LOS ANGELES, CA 90043
Los Angeles County (323) 291-7100
RICARDO DANIEL GARCIA
Behavior Technician
4401 CRENSHAW BLVD STE 215
LOS ANGELES, CA 90043
Los Angeles County (323) 291-7100
KENNIA ELIZABETH PAZ
Behavior Technician
4401 CRENSHAW BLVD STE 215
LOS ANGELES, CA 90043
Los Angeles County (323) 291-7100
GUADALUPE NARANJO
Behavior Technician
4401 CRENSHAW BLVD STE 215
LOS ANGELES, CA 90043
Los Angeles County (323) 291-7100
JAMES GABRIEL CUMMINGS
Behavior Technician
4401 CRENSHAW BLVD STE 215
LOS ANGELES, CA 90043
Los Angeles County (323) 291-7100
RODOLFO MUNGUIA
Behavior Technician
4401 CRENSHAW BLVD STE 215
LOS ANGELES, CA 90043
Los Angeles County (323) 291-7100
OSCAR ISAAC QUEVEDO
Behavior Technician
4401 CRENSHAW BLVD STE 215
LOS ANGELES, CA 90043
Los Angeles County (323) 291-7100
TRINICE SARAH MITCHELL
Behavior Technician
4401 CRENSHAW BLVD STE 215
LOS ANGELES, CA 90043
Los Angeles County (323) 291-7100

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 Lesley Leon's NPI number?

The NPI number for Lesley Leon is 1164139093. It was assigned to this individual provider in the NPPES registry on October 31, 2022.

Where is Lesley Leon located?

Lesley Leon practices at 4401 Crenshaw Blvd Ste 215, Los Angeles, CA 90043. The listed phone number is (323) 291-7100.

What is Lesley Leon'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 Lesley Leon was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 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.