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

Alexandra Piwowarczyk, MSW, LCSW

Individual provider Social Worker · NPI 1154963395

Alexandra Piwowarczyk, MSW, LCSW is a Social Worker in Lake St Louis, Missouri. Practices as a sole proprietor and works from 2 locations. Licensed in Missouri.

Licensed in
MO
In the registry since
2019
Specialties on file
2
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
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

1310 Hrc Plaza Dr
Lake St Louis, MO 63367-1869
Phone: (636) 339-4475
Show map & directions

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

Additional practice locations (1)

  • 103 Lincoln St, O Fallon, MO 63366-1603 — (314) 833-0349

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 2020038508 (MO)
Social Worker Taxonomy 104100000X · Licence 2017036706 (MO)

Record details

NPI number1154963395
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW
Sole proprietorYes
NPI enumeratedOctober 9, 2019
Last updated in NPPESSeptember 26, 2023
Certification dateSeptember 26, 2023

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