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

Mr. Frank Costello III, LCSW

Individual provider Mental Health Counselor · NPI 1811182157

Mr. Frank Costello III, LCSW is a Mental Health Counselor in Northridge, California. Practices as a sole proprietor. Licensed in California.

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

17075 Devonshire St Ste 204
Northridge, CA 91325-1600
Phone: (818) 923-2270
Fax: (818) 368-8940
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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 27084 (CA)
Mental Health Counselor Taxonomy 101YM0800X (CA)

Record details

NPI number1811182157
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedSeptember 10, 2007
Last updated in NPPESNovember 28, 2012

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