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

Dr. Michael Thomas Oneill, DDS

Individual provider General Practice Dentistry · NPI 1326261025

Dr. Michael Thomas Oneill, DDS is a General Practice Dentistry in San Ramon, 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

525 Bollinger Canyon Way Ste 105
San Ramon, CA 94582
Phone: (925) 735-3838
Fax: (925) 735-3866
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 27814 (CA)

Record details

NPI number1326261025
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedApril 11, 2007
Last updated in NPPESJuly 8, 2007
Mailing address525 Bollinger Canyon Way, Suite 105, San Ramon, CA 94582

Other providers in San Ramon