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

Mr. Leonard Stephan Manzella, LCSW

Individual provider Clinical Social Worker · NPI 1457479974

Mr. Leonard Stephan Manzella, LCSW is a Clinical Social Worker in San Luis Obispo, 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

11573 Los Osos Valley Rd Ste D
San Luis Obispo, CA 93405-6461
Phone: (805) 541-1434
Fax: (805) 473-4750
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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 LCS15898 (CA)

Record details

NPI number1457479974
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMarch 26, 2007
Last updated in NPPESDecember 6, 2012

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