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

Mr. Leonard Joel Zeff

Individual provider Clinical Social Worker · NPI 1508992066

Mr. Leonard Joel Zeff is a Clinical Social Worker in Minneapolis, Minnesota. Practices as a sole proprietor. Licensed in Minnesota.

Licensed in
MN
In the registry since
2007

Practice location Address checks out

1800 Chicago Ave
Minneapolis, MN 55404-1901
Phone: (612) 879-3529
Fax: (612) 879-3390
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 01909 (MN)

Record details

NPI number1508992066
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedFebruary 26, 2007
Last updated in NPPESJuly 8, 2007

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