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

Dr. Ethel Ann Bass, PHD, CADC, CODP1

Individual provider Counselor · NPI 1629807250

Dr. Ethel Ann Bass, PHD, CADC, CODP1 is a Counselor in Chicago, Illinois. Practices as a sole proprietor and works from 2 locations. Licensed in Illinois.

Licensed in
IL
In the registry since
2024
Specialties on file
3
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
CADC — Certified Alcohol and Drug Counselor
A certified addiction counsellor.

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Practice location Address checks out

45 W 111th St
Chicago, IL 60628-4200
Phone: (773) 995-1919
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 4747 Lincoln Mall Dr Ste 410, Matteson, IL 60443-3821 — (630) 499-6197

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 24935 (IL)
Counselor Taxonomy 101Y00000X · Licence 24935 (IL)
Mental Health Counselor Taxonomy 101YM0800X · Licence 24935 (IL)

Record details

NPI number1629807250
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , CADC , CODP1
Sole proprietorYes
NPI enumeratedJuly 31, 2024
Last updated in NPPESMay 31, 2025
Certification dateMay 31, 2025

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