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

Katherine E Nies, LCSW

Individual provider Clinical Social Worker · NPI 1922828458

Katherine E Nies, LCSW is a Clinical Social Worker in Petaluma, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2024
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

1820 Downing St
Petaluma, CA 94954-8539
Phone: (707) 775-7254
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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 122691 (CA)

Record details

NPI number1922828458
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedOctober 10, 2024
Last updated in NPPESOctober 10, 2024
Certification dateOctober 10, 2024
Mailing address1820 Downing St, Petaluma, CA 94954-8539

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