Dr. Mark W Johnston, DMD
OrthodonticsNPI: 1881603041
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Dr. Mark Johnston is a board-certified orthodontist with over 20 years of experience helping patients of all ages achieve beautiful, healthy smiles in Marietta, Georgia. He completed advanced training in orthodontics at the University of Alabama at Birmingham and earned his board certification from the American Board of Orthodontics in 2001. Dr. Johnston offers a full range of treatments, including traditional braces, Invisalign, clear aligners, and clear braces, and uses the latest technology like digital scans to make your visits more comfortable. Beyond his practice, Dr. Johnston is deeply committed to his community through education partnerships with local schools and dental mission trips to help families in Peru, Mexico, and Honduras. He and his wife Helene live in Sandy Springs and believe in treating every patient like family.
Specialties
- Oral and Maxillofacial Surgery
Surgical treatment of diseases, injuries, and defects of the mouth, jaw, and face
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Education & Training
- Bachelor of Science in Biology, University of Georgia (UGA)
- Doctorate in Dental Medicine (D.M.D.), Medical College of Georgia
- Master of Science degree, University of Alabama at Birmingham (UAB)
- Hospital Dentistry Residency with Certificate in Hospital/General Practice Dentistry, University of Alabama at Birmingham (UAB)
- Certificate in Orthodontics, University of Alabama at Birmingham (UAB) - 3-year orthodontic residency
- University Of GeorgiaUndergraduate School, 1982
- University Of Alabama At Birmingham / School Of DentistryMedical School, 1991
- Augusta University Medical College Of GeorgiaMedical School, 1986
Board Certifications
- Board Certified, American Board of Orthodontics (2001)
- College of Diplomates of the American Board of Orthodontics
Credential: DMD
NPI registered: 08/05/2006
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Areas of Focus
Technology & Equipment
- Invisalign aligners
- 3M aligners
- Clear braces
- Digital scans (no impressions)
Professional Memberships
- Georgia Association of Orthodontists
- American Dental Association
- Georgia Dental Association
- Hinman Dental Society
- Pierre Fauchard Academy
- American College of Dentists
- International College of Dentists
- Midwest Component of the Angle Society
Beyond the Office
Partner in Education for Sope Creek Elementary School, Dodgen Middle School, and Dickerson Middle School
Dental mission trips with churches to Peru, Mexico, and Honduras
Eagles Nest - Atlanta inner-city mission for the homeless
Rainbows - international organization for children and adults who experienced loss
Rotary Club of East Cobb
Citizens Advisory Committee for surrounding public schools
Coaching various adolescent sports in the community
Resides in Sandy Springs with wife Helene
Has three daughters (Taylor, Chandler, Bailey) and one son (Watts) with son-in-law Durham
Has four pets: three dogs (Pearl, Greta, Cooper) and one cat (Gary)
Enjoys hunting, fishing, boating, and spending time in the North Georgia Mountains with family
Provider information is sourced from the National Plan and Provider Enumeration System (NPPES) maintained by CMS. Information may not reflect the most current data. Providers can claim their profile to update and verify their details.