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

Jean K Tiernan, LCSW, CADC

Individual provider Clinical Social Worker · NPI 1124246871

Jean K Tiernan, LCSW, CADC is a Clinical Social Worker in Elk Grove Village, Illinois. Licensed in Illinois and Michigan. Registered with an NPI since 2007.

Licensed in
IL, MI
In the registry since
2007
Specialties on file
3
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.
CADC — Certified Alcohol and Drug Counselor
A certified addiction counsellor.

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Practice location Address checks out

1001 Rohlwing Rd
Elk Grove Village, IL 60007-3217
Phone: (847) 524-8800
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X
Clinical Social Worker Taxonomy 1041C0700X · Licence 149.017623 (IL)
Clinical Social Worker Taxonomy 1041C0700X · Licence 6801108606 (MI)

Record details

NPI number1124246871
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW , CADC
Sole proprietorNo
NPI enumeratedApril 20, 2007
Last updated in NPPESOctober 18, 2023
Certification dateOctober 18, 2023

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