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DR. JUSTIN BARRETT LEAF PH.D., BCBA
NPI 1881995942
Behavior Analyst in Foristell, MO

Active since November 05, 2010
19 LEXINGTON OAKS CT, FORISTELL, MO 63348(562) 221-8581 Get Directions Write a Review

NPPES record last updated: November 5, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Justin Barrett Leaf Ph.d., Bcba NPPES

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

DR. JUSTIN BARRETT LEAF PH.D., BCBA (NPI 1881995942) is an individual behavior analyst provider in Foristell, Missouri and active in the NPI registry since November 2010.

NPPES Registry Identity

NPI1881995942
Entity TypeIndividualMale
Primary Taxonomy103K00000X
Provider Legal NameDR. JUSTIN BARRETT LEAFCredential: PH.D., BCBA
Location Address19 LEXINGTON OAKS CTForistell, MO 63348-1479
Mailing Address19 Lexington Oaks CtForistell, MO 63348-1479 · (562) 221-8581
Phone(562) 221-8581
Sole ProprietorYes
Enumeration DateNovember 5, 2010
✔ NPI 1881995942 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.
19 LEXINGTON OAKS CT, Foristell, MO 63348
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Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SARA J ESTLE PHD, BCBA
Behavior Analyst
19 LEXINGTON OAKS CT
FORISTELL, MO 63348
St. Charles County (636) 673-2000
KRYSTAL NICOLE COOPER BCBA
Behavior Analyst
19 LEXINGTON OAKS CT
FORISTELL, MO 63348
St. Charles County (636) 673-2000
MR. TODD MATTHEW STREFF BCBA
Behavior Analyst
19 LEXINGTON OAKS CT
FORISTELL, MO 63348
St. Charles County (636) 673-2000

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 Justin Leaf's NPI number?

The NPI number for Justin Leaf is 1881995942. It was assigned to this individual provider in the NPPES registry on November 5, 2010.

Where is Justin Leaf located?

Justin Leaf practices at 19 Lexington Oaks Ct, Foristell, MO 63348. The listed phone number is (562) 221-8581.

What is Justin Leaf'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 Justin Leaf was last updated on November 5, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.