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

Dr. Mark Clinton Nielsen, DDS

Individual provider Dentist · NPI 1013135581

Dr. Mark Clinton Nielsen, DDS is a Dentist in Pierre, 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

465 S Pierre St
Pierre, SD 57501-4507
Phone: (605) 224-7774
Fax: (605) 224-9171
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence M607 (SD)

Record details

NPI number1013135581
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedApril 23, 2007
Last updated in NPPESJuly 8, 2007
Mailing address465 S Pierre Street, Pierre, SD 57501-4507

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