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

Catherine Witzling, LCSW

Individual provider Clinical Social Worker · NPI 1083137434

Catherine Witzling, LCSW is a Clinical Social Worker in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2017
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

1700 Pierce St Ste 203
San Francisco, CA 94115-6114
Phone: (415) 931-4757
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LCS15033 (CA)
Clinical Social Worker Taxonomy 1041C0700X

Record details

NPI number1083137434
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJuly 18, 2017
Last updated in NPPESJuly 21, 2022

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