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

Vicki Harkness Therapy Services LLC

Organization Community/Behavioral Health Agency · NPI 1811711070

Vicki Harkness Therapy Services LLC is a Community/Behavioral Health Agency in Sioux Falls, South Dakota. Registered with an NPI since 2024.

In the registry since
2024
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

5625 S Southeastern Ave
Sioux Falls, SD 57108-8600
Phone: (605) 351-2278
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Community/Behavioral Health Agency (primary) Taxonomy 251S00000X

Record details

NPI number1811711070
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Vicki Harkness — Owner/Social Worker · (605) 351-2278
NPI enumeratedNovember 13, 2024
Last updated in NPPESMarch 19, 2026
Certification dateMarch 19, 2026
Mailing address6708 E Twin Pines Dr, Sioux Falls, SD 57110-6311

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