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

MS. Lois Nora Mark, LCSW

Individual provider Clinical Social Worker · NPI 1215077730

MS. Lois Nora Mark, LCSW is a Clinical Social Worker in San Mateo, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
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

327 N San Mateo Dr Ste 10
San Mateo, CA 94401-2585
Phone: (650) 344-5162
Fax: (510) 865-3838
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence MFC1356 (CA)
Clinical Social Worker Taxonomy 1041C0700X · Licence LCS638 (CA)

Record details

NPI number1215077730
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedFebruary 7, 2007
Last updated in NPPESSeptember 11, 2025

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