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

Dr. John Gassaway Mohler III, DDS

Individual provider General Practice Dentistry · NPI 1780968685

Dr. John Gassaway Mohler III, DDS is a General Practice Dentistry in Catonsville, Maryland. Licensed in Maryland. Registered with an NPI since 2011.

Licensed in
MD
In the registry since
2011
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

1122 N Rolling Rd
Catonsville, MD 21228-3826
Phone: (410) 747-2229
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 14021 (MD)

Record details

NPI number1780968685
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedOctober 11, 2011
Last updated in NPPESOctober 11, 2011

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