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

Timothy Mason, MSW

Individual provider Mental Health Counselor · NPI 1558420463

Timothy Mason, MSW is a Mental Health Counselor in San Francisco, California. Practices as a sole proprietor. Registered with an NPI since 2006.

In the registry since
2006
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

134 Golden Gate Ave
San Francisco, CA 94102-3810
Phone: (415) 673-5700
Fax: (415) 292-7140
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1558420463
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorYes
NPI enumeratedDecember 6, 2006
Last updated in NPPESMarch 19, 2021
Certification dateMarch 19, 2021

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