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

Gary Dean Siela, LMFT

Individual provider Marriage & Family Therapist · NPI 1538375159

Gary Dean Siela, LMFT is a Marriage & Family Therapist in Windsor, California. Practices as a sole proprietor and works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2007
Specialties on file
2
What do these letters mean?
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

See every abbreviation used in this directory →

Practice location Address checks out

8911 Lakewood Dr Ste 24F
Windsor, CA 95492-7856
Phone: (707) 836-6350
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 27 E Napa St, Sonoma, CA 95476-6738 — (707) 980-9047

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 47106 (CA)
Marriage & Family Therapist Taxonomy 106H00000X · Licence MFC47106 (CA)

Record details

NPI number1538375159
Entity typeIndividual (Type 1)
GenderMale
Credentials LMFT
Sole proprietorYes
NPI enumeratedMay 14, 2007
Last updated in NPPESFebruary 11, 2022
Mailing address8911 Lakewood Dr Ste 24f, Windsor, CA 95492-7856

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