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

Cynthia Koskiewicz, LCPC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1225301930

Cynthia Koskiewicz, LCPC is an Addiction (Substance Use Disorder) Counselor in Glen Ellyn, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2012
Specialties on file
2
What do these letters mean?
LCPC — Licensed Clinical Professional Counselor
A licensed clinical counsellor.

See every abbreviation used in this directory →

Practice location Address checks out

526 Crescent Blvd Ste 324
Glen Ellyn, IL 60137-4176
Phone: (630) 750-6463
Show map & directions

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

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 180008100 (IL)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 29312 (IL)

Record details

NPI number1225301930
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCPC
Sole proprietorYes
NPI enumeratedFebruary 13, 2012
Last updated in NPPESDecember 5, 2012
Mailing address526 Crescent Blvd, Suite 324, Glen Ellyn, IL 60137-4176

Other providers in Glen Ellyn