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

Mary Niemi, LCSW

Individual provider Clinical Social Worker · NPI 1427484716

Mary Niemi, LCSW is a Clinical Social Worker in Springfield, Virginia. Licensed in Virginia. Registered with an NPI since 2013.

Licensed in
VA
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.

See every abbreviation used in this directory →

Practice location Address checks out

6427 Franconia Rd
Springfield, VA 22150-1210
Phone: (410) 569-9497
Fax: (410) 569-0094
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 0904007367 (VA)

Record details

NPI number1427484716
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedSeptember 19, 2013
Last updated in NPPESSeptember 19, 2013

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