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

Dr. Mary Ruth Johnson, DDS

Individual provider General Practice Dentistry · NPI 1568679645

Dr. Mary Ruth Johnson, DDS is a General Practice Dentistry in Danville, 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.

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Practice location Address checks out

75 Oak Ct
Danville, CA 94526-4006
Phone: (925) 837-2754
Fax: (925) 837-9341
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 33432 (CA)

Record details

NPI number1568679645
Entity typeIndividual (Type 1)
GenderFemale
Credentials DDS
Sole proprietorYes
NPI enumeratedMay 17, 2007
Last updated in NPPESJuly 8, 2007
Mailing address75 Oak Ct, Danville, CA 94526-4006

Other providers in Danville