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

James A Duncan, DDS

Individual provider General Practice Dentistry · NPI 1609081488

James A Duncan, DDS is a General Practice Dentistry in Portland, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2007
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

240 Reliant Dr
Portland, TX 78374-3317
Phone: (361) 643-3030
Fax: (361) 643-5050
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 18635 (TX)

Record details

NPI number1609081488
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedMay 14, 2007
Last updated in NPPESNovember 14, 2016
Mailing address240 Reliant Dr, Portland, TX 78374-3317

Other providers in Portland