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

DR. JUSTIN LEITER-MCBETH PHD
NPI 1679395701
Psychologist - Clinical in Diamond Bar, CA

Q: What is Justin Leiter-mcbeth's NPI number?

The NPI number for Justin Leiter-mcbeth is 1679395701. It was assigned to this individual provider in the NPPES registry on October 29, 2024.

Q: What is Justin Leiter-mcbeth's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Active since October 29, 2024

21015 PATHFINDER RD, DIAMOND BAR, CA 91765(909) 701-5964 Get Directions Write a Review

NPPES record last updated: August 8, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 8, 2026, Jan 28, 2026, Nov 6, 2024 (3 updates tracked since 2024).

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About Dr. Justin Leiter-mcbeth Phd NPPES

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

DR. JUSTIN LEITER-MCBETH PHD (NPI 1679395701) is an individual clinical provider in Diamond Bar, California, licensed in California (35451) and active in the NPI registry since October 2024.

NPPES Registry Identity

NPI1679395701

Entity TypeIndividualMale

Primary Taxonomy103TC0700X

Provider Legal NameDR. JUSTIN LEITER-MCBETHCredential: PHD

Location Address21015 PATHFINDER RDDiamond Bar, CA 91765-4018

Mailing Address21015 Pathfinder RdDiamond Bar, CA 91765-4018

Phone(909) 701-5964

Sole ProprietorNo

Enumeration DateOctober 29, 2024

Last NPPES UpdateAugust 8, 20263 updates tracked since enumeration

NPPES CertifiedAugust 8, 2026

✔ NPI 1679395701 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in CA · 35451

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Also ListedPsychologist · HealthTaxonomy 103TH0004X · License 35451 (CA)

21015 PATHFINDER RD, Diamond Bar, CA 91765

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Other Providers at the Same Location NPPES 4

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

CHELSEA TOOLE DPT

Physical Therapist

21015 PATHFINDER RD, SUITE 100
DIAMOND BAR, CA 91765

Los Angeles County (909) 861-3511

KATHLEEN LAM

Physical Therapist

21015 PATHFINDER RD
DIAMOND BAR, CA 91765

Los Angeles County (909) 861-3511

OLE A. HEGGENESS, D.O., INC

Clinic/Center

21015 PATHFINDER RD, 100
DIAMOND BAR, CA 91765

Los Angeles County (909) 861-3511

POMONA VALLEY ORTHOPEDIC AND SPORTS PHYSICAL THERAPY, INC

Physical Therapist

21015 PATHFINDER RD, SUITE 100
DIAMOND BAR, CA 91765

Los Angeles County (909) 861-3511

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 Leiter-mcbeth's NPI number?

The NPI number for Justin Leiter-mcbeth is 1679395701. It was assigned to this individual provider in the NPPES registry on October 29, 2024.

Where is Justin Leiter-mcbeth located?

Justin Leiter-mcbeth practices at 21015 Pathfinder Rd, Diamond Bar, CA 91765. The listed phone number is (909) 701-5964.

What is Justin Leiter-mcbeth's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Justin Leiter-mcbeth was last updated on August 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.