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

Dr. John P Diponziano, DDS

Individual provider Dentist · NPI 1770569600

Dr. John P Diponziano, DDS is a Dentist in San Leandro, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2005
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.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

680 Bancroft Ave
San Leandro, CA 94577-2904
Phone: (510) 569-0218
Fax: (510) 569-9714
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 55315 (CA)

Record details

NPI number1770569600
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedDecember 22, 2005
Last updated in NPPESApril 18, 2011
Mailing addressPo Box 2346, Castro Valley, CA 94546-0346

Other providers in San Leandro