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

Dr. Mark Joseph Williamson, DDS

Individual provider General Practice Dentistry · NPI 1851844260

Dr. Mark Joseph Williamson, DDS is a General Practice Dentistry in San Antonio, Texas. Licensed in Texas. Registered with an NPI since 2016.

Licensed in
TX
In the registry since
2016
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

3355 Cherry Ridge St Ste 216
San Antonio, TX 78230-4818
Phone: (210) 341-2569
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 32216 (TX)

Record details

NPI number1851844260
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedAugust 2, 2016
Last updated in NPPESApril 29, 2026
Certification dateApril 29, 2026
Mailing address3355 Cherry Ridge St Ste 216, San Antonio, TX 78230-4818

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