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

Alan G Fierro, DDS

Individual provider Public Health Dentistry · NPI 1801154166

Alan G Fierro, DDS is a Public Health Dentistry in Castro Valley, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2012
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

20406 Redwood Rd Ste C-1
Castro Valley, CA 94546-4317
Phone: (510) 582-7919
Fax: (510) 582-8745
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

Public Health Dentistry (primary) Taxonomy 1223D0001X · Licence 25094 (CA)

Record details

NPI number1801154166
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedApril 24, 2012
Last updated in NPPESApril 24, 2012