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

Dr. H Ray Duncan, DDS

Individual provider Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1750427886

Dr. H Ray Duncan, DDS is an Orthodontics and Dentofacial Orthopedics Dentistry in Aberdeen, South Dakota. Practices as a sole proprietor. Licensed in North Dakota and South Dakota.

Licensed in
ND, SD
In the registry since
2007
Specialties on file
2
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

2319 6th Ave SE
Aberdeen, SD 57401-5119
Phone: (605) 225-5761
Fax: (605) 225-3296
Show map & directions

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

Specialties & licences

Orthodontics and Dentofacial Orthopedics Dentistry (primary) Taxonomy 1223X0400X · Licence M354 (SD)
Orthodontics and Dentofacial Orthopedics Dentistry Taxonomy 1223X0400X · Licence 1850 (ND)

Record details

NPI number1750427886
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedJanuary 29, 2007
Last updated in NPPESAugust 10, 2007

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