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

Individual provider Clinical Social Worker · NPI 1134327042

David Mallon, LCSW is a Clinical Social Worker in Bellflower, California. Licensed in California. Registered with an NPI since 2007.

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

9400 Rosecrans Ave
Bellflower, CA 90706-2246
Phone: (562) 461-3000
Fax: (626) 405-6768
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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 LCS16358 (CA)

Record details

NPI number1134327042
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJuly 3, 2007
Last updated in NPPESJuly 8, 2007
Mailing address393 E Walnut St, 3rd Floor - Phr Systems, Pasadena, CA 91188-0001

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