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

Ronald J Oleson, DDS

Individual provider Endodontics · NPI 1366571143

Ronald J Oleson, DDS is an Endodontics in Saratoga, 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

18805 Cox Ave # 140
Saratoga, CA 95070-6616
Phone: (408) 379-3636
Fax: (408) 379-3288
Show map & directions

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

Specialties & licences

Endodontics (primary) Taxonomy 1223E0200X · Licence D26780 (CA)

Record details

NPI number1366571143
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedMarch 5, 2007
Last updated in NPPESJuly 8, 2007
Mailing address18805 Cox Ave, 140, Saratoga, CA 95070-6616

Other providers in Saratoga