MATTHEW CLARK
NPI 1538930045
Counselor - Addiction (Substance Use Disorder) in Upland, CA

Active since January 12, 2024
239 W 9TH ST, UPLAND, CA 91786(909) 340-4276 Get Directions Write a Review

NPPES record last updated: May 30, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Matthew Clark NPPES

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

MATTHEW CLARK (NPI 1538930045) is an individual addiction (substance use disorder) provider in Upland, California, licensed in California (R1503700423) and active in the NPI registry since January 2024.

NPPES Registry Identity

NPI1538930045
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMATTHEW CLARK
Location Address239 W 9TH STUpland, CA 91786-5979
Mailing Address4764 Dundee RdRiverside, CA 92503-2125 · (951) 569-2014
Sole ProprietorYes
Enumeration DateJanuary 12, 2024
Last NPPES UpdateMay 30, 2024
NPPES CertifiedMay 30, 2024
NPI 1538930045 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 · R1503700423
239 W 9TH ST, Upland, CA 91786

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.

Counselor (Addiction (Substance Use Disorder))
239 W 9TH ST
UPLAND, CA 91786
Counselor (Addiction (Substance Use Disorder))
239 W 9TH ST
UPLAND, CA 91786
Counselor (Addiction (Substance Use Disorder))
239 W 9TH ST
UPLAND, CA 91786
Peer Specialist
239 W 9TH ST
UPLAND, CA 91786
Counselor (Addiction (Substance Use Disorder))
239 W 9TH ST
UPLAND, CA 91786
Peer Specialist
239 W 9TH ST
UPLAND, CA 91786
Counselor (Addiction (Substance Use Disorder))
239 W 9TH ST
UPLAND, CA 91786
Counselor (Addiction (Substance Use Disorder))
239 W 9TH ST
UPLAND, CA 91786

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 Clark's NPI number?

The NPI number for Matthew Clark is 1538930045. It was assigned to this individual provider in the NPPES registry on January 12, 2024.

Where is Matthew Clark located?

Matthew Clark practices at 239 W 9th St, Upland, CA 91786. The listed phone number is (909) 340-4276.

What is Matthew Clark'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 Clark was last updated on May 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.