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

Individual provider Clinical Social Worker · NPI 1952030207

Doreen Best Sielert, LCSW is a Clinical Social Worker in Santa Rosa, California. Practices as a sole proprietor and works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2022
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

2225 Challenger Way
Santa Rosa, CA 95407-5441
Phone: (707) 565-8181
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • Po Box 6927, Santa Rosa, CA 95406-0927 — (707) 623-0129

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 113022 (CA)

Record details

NPI number1952030207
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJune 9, 2022
Last updated in NPPESMarch 1, 2026
Certification dateMarch 1, 2026

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