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

Gregory Alan Hong, DDS

Individual provider General Practice Dentistry · NPI 1912051905

Gregory Alan Hong, DDS is a General Practice Dentistry in Castro Valley, California. Practices as a sole proprietor. Licensed in California.

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

20353 Lake Chabot Rd
Castro Valley, CA 94546-5392
Phone: (510) 581-2102
Fax: (510) 581-2321
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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 034496 (CA)

Record details

NPI number1912051905
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedJanuary 23, 2007
Last updated in NPPESJuly 8, 2007
Mailing address166 Castle Crest Rd, Alamo, CA 94507-2671

Other providers in Castro Valley