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

Individual provider Clinical Social Worker · NPI 1417969379

Katherine M. Leff, LCSW is a Clinical Social Worker in Loma Linda, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
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

11201 Benton St
Loma Linda, CA 92357-1000
Phone: (909) 825-7084
Fax: (909) 422-3186
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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 LCS 17249 (CA)

Record details

NPI number1417969379
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedAugust 12, 2006
Last updated in NPPESJuly 8, 2007

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