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

Dr. Dennis Marshall Guest, DDS

Individual provider General Practice Dentistry · NPI 1801917935

Dr. Dennis Marshall Guest, DDS is a General Practice Dentistry in Oakland, 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

4341 Piedmont Ave
Oakland, CA 94611-4766
Phone: (510) 654-6714
Fax: (510) 420-8357
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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 24023 (CA)

Record details

NPI number1801917935
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedApril 3, 2007
Last updated in NPPESJuly 8, 2007
Mailing address4341 Piedmont Ave, Oakland, CA 94611-4766

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