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

Dr. Gordon James Block, DDS

Individual provider Endodontics · NPI 1891890513

Dr. Gordon James Block, DDS is an Endodontics in Sunnyvale, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
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

1565 Hollenbeck Ave Ste #106
Sunnyvale, CA 94087-5922
Phone: (408) 739-9700
Fax: (408) 739-2617
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endodontics (primary) Taxonomy 1223E0200X · Licence 24362 (CA)

Record details

NPI number1891890513
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedSeptember 14, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1565 Hollenbeck Ave, Suite #106, Sunnyvale, CA 94087-5922

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