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

Alexander Mayer, LCSW

Individual provider Mental Health Counselor · NPI 1063088185

Alexander Mayer, LCSW is a Mental Health Counselor in Petaluma, California. Practices as a sole proprietor. Licensed in California and Utah.

Licensed in
CA, UT
In the registry since
2021
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

1733 Skillman Ln
Petaluma, CA 94952-1250
Phone: (510) 910-9675
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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 · Licence 103339 (CA)
Mental Health Counselor Taxonomy 101YM0800X · Licence 1131040-3501 (UT)

Record details

NPI number1063088185
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMay 30, 2021
Last updated in NPPESMay 31, 2022
Certification dateMay 31, 2022

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