MR. JUSTIN DIEP
NPI 1619846169
Counselor - Mental Health in Seattle, WA

Active since November 03, 2025
401 5TH AVE FL 4, SEATTLE, WA 98104(206) 492-6233 Get Directions Write a Review

NPPES record last updated: November 3, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. Justin Diep NPPES

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

MR. JUSTIN DIEP (NPI 1619846169) is an individual mental health provider in Seattle, Washington and active in the NPI registry since November 2025.

NPPES Registry Identity

NPI1619846169
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMR. JUSTIN DIEP
Location Address401 5TH AVE FL 4Seattle, WA 98104-1818
Mailing Address4041 Roosevelt Way Ne Apt 414Seattle, WA 98105-6576
Sole ProprietorNo
Enumeration DateNovember 3, 2025
NPPES CertifiedNovember 3, 2025
NPI 1619846169 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
401 5TH AVE FL 4, Seattle, WA 98104

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 Diep's NPI number?

The NPI number for Justin Diep is 1619846169. It was assigned to this individual provider in the NPPES registry on November 3, 2025.

Where is Justin Diep located?

Justin Diep practices at 401 5th Ave Fl 4, Seattle, WA 98104. The listed phone number is (206) 492-6233.

What is Justin Diep's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Justin Diep was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.