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

Dr. Alan Tanisawa, DDS

Individual provider General Practice Dentistry · NPI 1871797639

Dr. Alan Tanisawa, 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.

See every abbreviation used in this directory →

Practice location Address checks out

22408 Charlene Way
Castro Valley, CA 94546-7102
Phone: (510) 881-1922
Fax: (510) 727-1583
Show map & directions

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

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 25056 (CA)

Record details

NPI number1871797639
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedJune 13, 2007
Last updated in NPPESJuly 8, 2007
Mailing address22408 Charlene Way, Castro Valley, CA 94546-7102

Other providers in Castro Valley