DAVID ROSS CLEMENS CATC
NPI 1922395219
Counselor - Addiction (Substance Use Disorder) in San Mateo, CA

Q: What is David Clemens's NPI number?

The NPI number for David Clemens is 1922395219. It was assigned to this individual provider in the NPPES registry on July 7, 2011.

Q: What is David Clemens's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for David Clemens was last updated on July 7, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.

Active since July 07, 2011

720 SOUTH B ST., SAN MATEO, CA 94401(650) 579-7157 Get Directions Write a Review

NPPES record last updated: July 7, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About David Ross Clemens Catc NPPES

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

DAVID ROSS CLEMENS CATC (NPI 1922395219) is an individual addiction (substance use disorder) provider in San Mateo, California, licensed in California (061292) and active in the NPI registry since July 2011.

NPPES Registry Identity

NPI1922395219

Entity TypeIndividualMale

Primary Taxonomy101YA0400X

Provider Legal NameDAVID ROSS CLEMENSCredential: CATC

Location Address720 SOUTH B ST.San Mateo, CA 94401

Mailing Address720 South B St.San Mateo, CA 94401 · (650) 579-7157

Phone(650) 579-7157

Sole ProprietorYes

Enumeration DateJuly 7, 2011

✔ NPI 1922395219 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 · 061292

720 SOUTH B ST., San Mateo, CA 94401

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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 David Clemens's NPI number?

The NPI number for David Clemens is 1922395219. It was assigned to this individual provider in the NPPES registry on July 7, 2011.

Where is David Clemens located?

David Clemens practices at 720 South B St., San Mateo, CA 94401. The listed phone number is (650) 579-7157.

What is David Clemens'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 David Clemens was last updated on July 7, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.