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

Dr. William Roland Hummer Jr., DDS

Individual provider General Practice Dentistry · NPI 1982722377

Dr. William Roland Hummer Jr., DDS is a General Practice Dentistry in San Leandro, California. Licensed in California. Registered with an NPI since 2007.

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

1239 Harrison St
San Leandro, CA 94577-4515
Phone: (510) 351-5711
Fax: (510) 351-5751
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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 33780 (CA)

Record details

NPI number1982722377
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedMarch 26, 2007
Last updated in NPPESJuly 8, 2007

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