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

Dr. Sien Kwa Siao, DDS

Individual provider General Practice Dentistry · NPI 1841318706

Dr. Sien Kwa Siao, DDS is a General Practice Dentistry in Brentwood, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

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Practice location Address checks out

3120 Balfour Rd Ste D
Brentwood, CA 94513-5513
Phone: (925) 634-9901
Fax: (925) 634-1352
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 43858 (CA)

Record details

NPI number1841318706
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedMarch 27, 2007
Last updated in NPPESJuly 8, 2007

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