Addiction Therapist

Mary Colleen Mahoney, LCSW, CADC

155 N Michigan Ave Ste 380, Chicago, Illinois, 60601-7710

About Mary Colleen Mahoney

Mary Colleen Mahoney is a therapist based in Chicago, Illinois who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Mary Colleen Mahoney is 149.023334 for Mental Health Counselor in Illinois. Her current practice location is 155 N Michigan Ave Ste 380, Chicago. Patients can reach her at 773-340-2616. Mary Colleen Mahoney is LCSW, CADC in Addiction (Substance Use Disorder) Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1629706130.

Mary Colleen Mahoney is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. She helps her clients by manage and overcome the psychological, emotional, and behavioral challenges related to substance use. Counselors also work closely with families and support systems to help them better understand their loved one’s illness. SUD counselors help to promote long-term sobriety, emotional stability, and overall mental wellness for both the individual and their family.

Practice Information

Mary Colleen Mahoney speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Mary Colleen Mahoney
Specialization Addiction (Substance Use Disorder) Counselor
Credentials LCSW, CADC
Gender Female
Practice Address: 155 N Michigan Ave Ste 380,
Chicago, IL - 60601-7710

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1629706130
NPI Enumeration Date: 11 Aug, 2022
NPI Last Update On: 11 Feb, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Mary Colleen Mahoney are as mentioned below.

License NumberSpecializationStateStatus
149.023334Mental Health Counselor IllinoisPrimary
35837Addiction (Substance Use Disorder) Counselor IllinoisSecondary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Mary Colleen Mahoney
870 N State St Apt 2n,
Chicago, IL - 60610-3333
Phone: 224-406-4641

Book an Appointment with Mary Colleen Mahoney

To schedule an appointment, contact Mary Colleen Mahoney at 155 N Michigan Ave Ste 380, Chicago, Illinois or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mary Colleen Mahoney:

Mary Colleen Mahoney is a therapist specializing in Mental Health Counselor. She is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. She assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Yes, Mary Colleen Mahoney is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Mary Colleen Mahoney practices at 155 N Michigan Ave Ste 380, Chicago, Illinois, 60601-7710.

To schedule an appointment with Mary Colleen Mahoney, please contact the office at 773-340-2616.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.