JUSTIN MARTHALER
NPI 1154931582
Behavior Analyst in Washington, DC

Q: What is Justin Marthaler's NPI number?

The NPI number for Justin Marthaler is 1154931582. It was assigned to this individual provider in the NPPES registry on July 31, 2020.

Q: What is Justin Marthaler'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 Justin Marthaler was last updated on February 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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 July 31, 2020

640 ANACOSTIA AVE NE, WASHINGTON, DC 20019(313) 278-4601 Get Directions Write a Review

NPPES record last updated: February 23, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Justin Marthaler NPPES

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

JUSTIN MARTHALER (NPI 1154931582) is an individual behavior analyst provider in Washington, District Of Columbia and active in the NPI registry since July 2020.

NPPES Registry Identity

NPI1154931582

Entity TypeIndividualMale

Primary Taxonomy103K00000X

Provider Legal NameJUSTIN MARTHALER

Location Address640 ANACOSTIA AVE NEWashington, DC 20019-1509

Mailing Address750 Kenilworth Ter NeWashington, DC 20019-1505

Phone(313) 278-4601

Sole ProprietorNo

Enumeration DateJuly 31, 2020

Last NPPES UpdateFebruary 23, 2026

NPPES CertifiedFebruary 23, 2026

✔ NPI 1154931582 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.

640 ANACOSTIA AVE NE, Washington, DC 20019

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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 Marthaler's NPI number?

The NPI number for Justin Marthaler is 1154931582. It was assigned to this individual provider in the NPPES registry on July 31, 2020.

Where is Justin Marthaler located?

Justin Marthaler practices at 640 Anacostia Ave NE, Washington, DC 20019. The listed phone number is (313) 278-4601.

What is Justin Marthaler'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 Marthaler was last updated on February 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.