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

MS. Sara Esther Olkon, LSW

Individual provider Social Worker · NPI 1336846385

MS. Sara Esther Olkon, LSW is a Social Worker in Mill Valley, California. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2023
What do these letters mean?
LSW — Licensed Social Worker
A state-licensed social worker.

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Practice location Address checks out

35 Miller Ave
Mill Valley, CA 94941-1903
Phone: (312) 685-2890
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 150.110273 (IL)

Record details

NPI number1336846385
Entity typeIndividual (Type 1)
GenderFemale
Credentials LSW
Sole proprietorYes
NPI enumeratedFebruary 9, 2023
Last updated in NPPESDecember 29, 2025
Certification dateDecember 29, 2025

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