Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. Glen Antonio Clark III

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1952585218

Mr. Glen Antonio Clark III is an Addiction (Substance Use Disorder) Counselor in San Francisco, California. Works from 2 locations. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

1301 Pierce St
San Francisco, CA 94115
Phone: (415) 563-8200
Fax: (510) 644-2044
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 900 Laurel Ave, San Mateo, CA 94401-4211 — (650) 347-8088

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X

Record details

NPI number1952585218
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedDecember 21, 2007
Last updated in NPPESDecember 17, 2024
Certification dateDecember 17, 2024

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