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

Marianne Kay Flak

Individual provider Social Worker · NPI 1255510897

Marianne Kay Flak is a Social Worker in San Luis Obispo, California. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

3450 Broad St Ste 104
San Luis Obispo, CA 93401-7214
Phone: (805) 597-4970
Fax: (805) 549-8973
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X

Record details

NPI number1255510897
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 31, 2007
Last updated in NPPESOctober 31, 2007

Other providers in San Luis Obispo