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

Dr. Harvey Dean Spieker, DDS

Individual provider General Practice Dentistry · NPI 1104857440

Dr. Harvey Dean Spieker, DDS is a General Practice Dentistry in Clark, South Dakota. Licensed in South Dakota. Registered with an NPI since 2006.

Licensed in
SD
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

312 1st Ave W
Clark, SD 57225-1405
Phone: (605) 532-3636
Fax: (605) 532-3934
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 M435 (SD)

Record details

NPI number1104857440
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedJuly 5, 2006
Last updated in NPPESJuly 8, 2007

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