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

Diana Ann Siew

Individual provider Marriage & Family Therapist · NPI 1649636820

Diana Ann Siew is a Marriage & Family Therapist in Los Angeles, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2016

Practice location Address checks out

1849 Sawtelle Blvd Ste 610
Los Angeles, CA 90025-7013
Phone: (424) 442-0266
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 84146 (CA)

Record details

NPI number1649636820
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedJanuary 4, 2016
Last updated in NPPESApril 4, 2022
Certification dateApril 4, 2022

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