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

MS. Joan C Haller, MSW

Individual provider Clinical Social Worker · NPI 1396957353

MS. Joan C Haller, MSW is a Clinical Social Worker in San Mateo, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

See every abbreviation used in this directory →

Practice location Address checks out

205 E 3rd Ave
San Mateo, CA 94401-4051
Phone: (650) 343-3873
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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 LCS6882 (CA)

Record details

NPI number1396957353
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorYes
NPI enumeratedMay 4, 2007
Last updated in NPPESJuly 8, 2007

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