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

Mallory Frantsen

Individual provider Clinical Social Worker · NPI 1326657131

Mallory Frantsen is a Clinical Social Worker in Sioux Falls, South Dakota. Qualified in 2020, 6 years ago. Practices with Avera McKennan, a 962-clinician group and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
6
Licensed in
SD
In the registry since
2020
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Practice location Address checks out

2412 S Cliff Ave
Sioux Falls, SD 57105-4031
Phone: (605) 322-4284
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 5088 (SD)

Record details

NPI number1326657131
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJuly 28, 2020
Last updated in NPPESJuly 28, 2020
Certification dateJuly 28, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Avera McKennan — 962 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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