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

MS. Janet Marie Lassen, LCSW

Individual provider Clinical Social Worker · NPI 1811230998

MS. Janet Marie Lassen, LCSW is a Clinical Social Worker in Mobridge, South Dakota. Practices as a sole proprietor. Licensed in Wyoming.

Licensed in
WY
In the registry since
2013
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

12451 Hwy 1806 N
Mobridge, SD 57601-5760
Phone: (605) 845-7181
Fax: (605) 845-5072
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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 LCSW-830 (WY)

Record details

NPI number1811230998
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMarch 27, 2013
Last updated in NPPESJune 2, 2021
Certification dateMarch 31, 2021

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