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

Dr. Gregory Holman Duncan, DDS

Individual provider Dentist · NPI 1033228101

Dr. Gregory Holman Duncan, DDS is a Dentist in Greenville, Texas. Licensed in Texas. Registered with an NPI since 2006.

Licensed in
TX
In the registry since
2006
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

4613 Stonewall St Ste A
Greenville, TX 75401-5953
Phone: (903) 455-6075
Fax: (903) 455-7589
Show map & directions

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

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence TX15493 (TX)

Record details

NPI number1033228101
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedAugust 30, 2006
Last updated in NPPESJanuary 20, 2012
Mailing address4613 Stonewall St Ste A, Greenville, TX 75401-5995

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