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

Dr. David Thomas Fosdahl, DDS

Individual provider Dentist · NPI 1053460121

Dr. David Thomas Fosdahl, DDS is a Dentist in Castro Valley, 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.

See every abbreviation used in this directory →

Practice location Address checks out

20600 Lake Chabot Rd Ste 101
Castro Valley, CA 94546
Phone: (510) 582-8399
Fax: (510) 582-3564
Show map & directions

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

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 031783 (CA)

Record details

NPI number1053460121
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedJanuary 9, 2007
Last updated in NPPESJuly 8, 2007
Mailing address20600 Lake Chabot Rd, Suite 101, Castro Valley, CA 94546

Other providers in Castro Valley