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

David Matthew Nielsen, LCSW

Individual provider Mental Health Counselor · NPI 1386129963

David Matthew Nielsen, LCSW is a Mental Health Counselor in Baton Rouge, Louisiana. Practices as a sole proprietor. Licensed in Louisiana.

Licensed in
LA
In the registry since
2018
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

9938 Airline Hwy
Baton Rouge, LA 70816-8193
Phone: (225) 663-2881
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 13284 (LA)

Record details

NPI number1386129963
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedSeptember 28, 2018
Last updated in NPPESSeptember 28, 2018

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