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

Individual provider Clinical Social Worker · NPI 1821145442

MS. Gretchen Louise Mallios, LCSW is a Clinical Social Worker in San Diego, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
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

3551 Frnt Street
San Diego, CA 92103-4815
Phone: (619) 781-2156
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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 16057 (CA)

Record details

NPI number1821145442
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJanuary 4, 2007
Last updated in NPPESMarch 27, 2012

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