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

William N Ong DDS, Inc

Organization General Practice Dentistry · NPI 1801012059

William N Ong 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
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

3510 Balboa St
San Francisco, CA 94121-2602
Phone: (415) 876-4847
Fax: (415) 876-4853
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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 43882 (CA)

Record details

NPI number1801012059
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Ong — Owner-Dentist · (650) 991-7397
NPI enumeratedApril 17, 2007
Last updated in NPPESOctober 5, 2007
Mailing address6740 Mission St, Daly City, CA 94014-2031

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