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

Dr. Mark Tsuei, DDS

Individual provider General Practice Dentistry · NPI 1821225038

Dr. Mark Tsuei, DDS is a General Practice Dentistry in San Mateo, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
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

100 S Ellsworth Ave Ste 509
San Mateo, CA 94401-3939 Not confirmed with CMS for 17 years — call before visiting
Phone: (650) 324-7028
Fax: (650) 342-7029
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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 35794 (CA)

Record details

NPI number1821225038
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedJune 15, 2009
Last updated in NPPESJune 15, 2009

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