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

Mr. Justin Lee Nielsen, MA, LPC, ACT

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1184193740

Mr. Justin Lee Nielsen, MA, LPC, ACT is an Addiction (Substance Use Disorder) Counselor in Sioux Falls, South Dakota. Practices as a sole proprietor. Licensed in South Dakota.

Licensed in
SD
In the registry since
2018
Specialties on file
2
What do these letters mean?
MA — Master of Arts
A graduate arts degree.
LPC — Licensed Professional Counselor
A licensed mental health counsellor.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

310 S 1st Ave
Sioux Falls, SD 57104-6329
Phone: (605) 336-2556
Fax: (605) 339-3345
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LPC20290 (SD)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X

Record details

NPI number1184193740
Entity typeIndividual (Type 1)
GenderMale
Credentials MA , LPC , ACT
Sole proprietorYes
NPI enumeratedNovember 13, 2018
Last updated in NPPESNovember 19, 2018

Other providers in Sioux Falls