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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MATTHEW BARKER CADCIII
NPI 1346147501
Counselor - Addiction (Substance Use Disorder) in Northridge, CA

Active since October 21, 2026
9846 WHITE OAK AVE STE 204, NORTHRIDGE, CA 91325(818) 389-0475 Get Directions Write a Review

NPPES record added: October 21, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Matthew Barker Cadciii NPPES

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

MATTHEW BARKER CADCIII (NPI 1346147501) is an individual addiction (substance use disorder) provider in Northridge, California, licensed in California (B002170426) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1346147501
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMATTHEW BARKERCredential: CADCIII
Location Address9846 WHITE OAK AVE STE 204Northridge, CA 91325-4806
Mailing Address9001 Rhea AveNorthridge, CA 91324-3825 · (818) 450-4536
Phone(818) 389-0475
Sole ProprietorYes
Enumeration DateOctober 21, 2026
NPPES CertifiedOctober 21, 2026
✔ NPI 1346147501 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 · B002170426
9846 WHITE OAK AVE STE 204, Northridge, CA 91325
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Other Providers at the Same Location NPPES 7

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

GAGNEET GIA SINGH
Marriage & Family Therapist
9846 WHITE OAK AVE STE 204
NORTHRIDGE, CA 91325
Los Angeles County (747) 333-8884
JON GRIFFIN CARTER AMFT
Marriage & Family Therapist
9846 WHITE OAK AVE STE 204
NORTHRIDGE, CA 91325
Los Angeles County (747) 333-8884
MR. AUSTIN JAMES HART LMFT
Marriage & Family Therapist
9846 WHITE OAK AVE STE 204
NORTHRIDGE, CA 91325
Los Angeles County (747) 333-8884
MAS PRO GROUP LLC
Clinic/Center (Rehabilitation, Substance Use Disorder)
9846 WHITE OAK AVE STE 204
NORTHRIDGE, CA 91325
Los Angeles County (747) 333-8884
KEVIN M DEREMER
Counselor (Addiction (Substance Use Disorder))
9846 WHITE OAK AVE STE 204
NORTHRIDGE, CA 91325
Los Angeles County (747) 333-8884
JEFFREY GIBSON
Counselor (Addiction (Substance Use Disorder))
9846 WHITE OAK AVE STE 204
NORTHRIDGE, CA 91325
Los Angeles County (747) 352-6950
VICTORIA ASHLEY FRYER
Social Worker (Clinical)
9846 WHITE OAK AVE STE 204
NORTHRIDGE, CA 91325
Los Angeles County (747) 333-8884

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 Matthew Barker's NPI number?

The NPI number for Matthew Barker is 1346147501. It was assigned to this individual provider in the NPPES registry on October 21, 2026.

Where is Matthew Barker located?

Matthew Barker practices at 9846 White Oak Ave Ste 204, Northridge, CA 91325. The listed phone number is (818) 389-0475.

What is Matthew Barker'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 Matthew Barker was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.