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

Dr. Michael Warren Johnston Sr., DDS

Individual provider General Practice Dentistry · NPI 1912037649

Dr. Michael Warren Johnston Sr., DDS is a General Practice Dentistry in Daly City, 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

341 Westlake Ctr Ste 205
Daly City, CA 94015-1445
Phone: (650) 755-7736
Fax: (650) 755-5327
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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 28336 (CA)

Record details

NPI number1912037649
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedMarch 6, 2007
Last updated in NPPESJuly 8, 2007
Mailing address665 Barneson Ave, San Mateo, CA 94402-3431

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