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

Dr. John Marshall Hartzog, DMD

Individual provider General Practice Dentistry · NPI 1710554878

Dr. John Marshall Hartzog, DMD is a General Practice Dentistry in Alexandria, Alabama. Licensed in Alabama. Registered with an NPI since 2021.

Licensed in
AL
In the registry since
2021
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

654 Valley Cub Dr
Alexandria, AL 36250-4200
Phone: (256) 847-1111
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 D-0006900-C1 (AL)

Record details

NPI number1710554878
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorNo
NPI enumeratedJune 8, 2021
Last updated in NPPESNovember 21, 2023
Certification dateNovember 21, 2023