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

Robert Warren Maahs

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1114704442

Robert Warren Maahs is an Addiction (Substance Use Disorder) Counselor in San Francisco, California. Practices as a sole proprietor and works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2023
Specialties on file
2
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Practice location Address checks out

815 Buena Vista Ave W
San Francisco, CA 94117-4108
Phone: (415) 519-4185
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 915 Bryant St, San Francisco, CA 94103-4514 — (415) 777-9953

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 15056 (CA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence R1423250321 (CA)

Record details

NPI number1114704442
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedSeptember 11, 2023
Last updated in NPPESApril 18, 2024
Certification dateApril 18, 2024

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