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

Richard Dwight Allen, DDS

Individual provider Endodontics · NPI 1215155734

Richard Dwight Allen, DDS is an Endodontics in Sioux Falls, South Dakota. Licensed in South Dakota. Registered with an NPI since 2007.

Licensed in
SD
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.

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Practice location Address checks out

1704 S Cleveland Ave Ste #6
Sioux Falls, SD 57103-3902
Phone: (605) 221-0218
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endodontics (primary) Taxonomy 1223E0200X · Licence M850 (SD)

Record details

NPI number1215155734
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedApril 22, 2007
Last updated in NPPESJuly 8, 2007
Mailing address1704 S Cleveland Ave, Suite #6, Sioux Falls, SD 57103-3902

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