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

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1629706130

Mary Colleen Mahoney, LCSW, CADC is an Addiction (Substance Use Disorder) Counselor in Chicago, Illinois. Works from 2 locations. Licensed in Illinois.

Licensed in
IL
In the registry since
2022
Specialties on file
2
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

155 N Michigan Ave Ste 380
Chicago, IL 60601-7710
Phone: (773) 340-2616
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 870 N State St Apt 2n, Chicago, IL 60610-3333 — (708) 252-3706

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 149.023334 (IL)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 35837 (IL)

Record details

NPI number1629706130
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW , CADC
Sole proprietorNo
NPI enumeratedAugust 11, 2022
Last updated in NPPESFebruary 11, 2025
Certification dateFebruary 11, 2025

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