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

Mark C Nielsen DDS PC

Organization General Practice Dentistry · NPI 1962606285

Mark C Nielsen DDS PC is a General Practice Dentistry 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?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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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

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence M607 (SD)

Record details

NPI number1962606285
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Jane Turner — Office Manager · (605) 224-7774
NPI enumeratedJune 12, 2007
Last updated in NPPESAugust 22, 2020
Mailing address465 S Pierre St, Pierre, SD 57501-4507

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