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

Nancy Kwon Hsieh, DDS, Inc

Organization General Practice Dentistry · NPI 1609088624

Nancy Kwon Hsieh, DDS, Inc is a General Practice Dentistry in San Francisco, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
Specialties on file
2
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

3400 California St Ste 302
San Francisco, CA 94118-1863
Phone: (415) 567-1532
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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 50401 (CA)
Pediatric Dentistry Taxonomy 1223P0221X · Licence 50297 (CA)

Record details

NPI number1609088624
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Nancy Hsieh — Owner · (415) 567-1532
NPI enumeratedMay 3, 2007
Last updated in NPPESSeptember 11, 2025
Mailing address3400 California St, Suite 302, San Francisco, CA 94118-1863

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