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

Dr. Mark W Johnston, DMD

Individual provider Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1881603041

Dr. Mark W Johnston, DMD is an Orthodontics and Dentofacial Orthopedics Dentistry in Marietta, Georgia. Practices as a sole proprietor. Licensed in Georgia.

Licensed in
GA
In the registry since
2006
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

See every abbreviation used in this directory →

Practice location Address checks out

1070 Woodlawn Dr NE Ste 200
Marietta, GA 30068-4264
Phone: (770) 973-1070
Fax: (770) 973-4466
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthodontics and Dentofacial Orthopedics Dentistry (primary) Taxonomy 1223X0400X · Licence 10404 (GA)

Record details

NPI number1881603041
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorYes
NPI enumeratedAugust 5, 2006
Last updated in NPPESJuly 8, 2007

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