1. Home
  2. Directory
  3. California
  4. Tarzana
  5. Counselor
  6. NPI Profile

JUSTIN ANDREW ALLEN
NPI 1215740261
Counselor - Addiction (Substance Use Disorder) in Tarzana, CA

Active since January 31, 2025
18646 OXNARD ST, TARZANA, CA 91356(818) 996-1051 Get Directions Write a Review

NPPES record last updated: January 31, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Justin Andrew Allen NPPES

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

JUSTIN ANDREW ALLEN (NPI 1215740261) is an individual addiction (substance use disorder) provider in Tarzana, California, licensed in California (R1597470125) and active in the NPI registry since January 2025.

NPPES Registry Identity

NPI1215740261
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameJUSTIN ANDREW ALLEN
Location Address18646 OXNARD STTarzana, CA 91356-1411
Mailing Address18646 Oxnard StTarzana, CA 91356-1486 · (818) 996-1051
Phone(818) 996-1051
Sole ProprietorNo
Enumeration DateJanuary 31, 2025
NPPES CertifiedJanuary 31, 2025
✔ NPI 1215740261 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in CA · R1597470125
18646 OXNARD ST, Tarzana, CA 91356
Open in Google Maps ↗

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.

DEANNA KATHERINE MALEC RN
Registered Nurse (Case Management)
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
NICOLE MARIAN JOHNSTONE RADT
Counselor (Addiction (Substance Use Disorder))
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 654-3950
ARTURO VARGAS
Peer Specialist
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
DAVID JEROME FISCHER
Peer Specialist
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
HILDA LOPEZ
Case Manager/Care Coordinator
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 654-3850
GREGORY PAUL WALSH
Counselor (Addiction (Substance Use Disorder))
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
DAVID HEISERMAN
Counselor (Addiction (Substance Use Disorder))
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (747) 224-0384
JOSHUA KELLY
Student in an Organized Health Care Education/Training Program
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (859) 779-2349

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 Allen's NPI number?

The NPI number for Justin Allen is 1215740261. It was assigned to this individual provider in the NPPES registry on January 31, 2025.

Where is Justin Allen located?

Justin Allen practices at 18646 Oxnard St, Tarzana, CA 91356. The listed phone number is (818) 996-1051.

What is Justin Allen's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Justin Allen was last updated on January 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.