Addiction Therapist

Mark Williams

200 W Monroe St Ste 1150, Chicago, Illinois, 60606-5036

About Mark Williams

Mark Williams is a therapist based in Chicago, Illinois who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Mark Williams is 26701 for Addiction (Substance Use Disorder) Counselor in Illinois. His current practice location is 200 W Monroe St Ste 1150, Chicago. Patients can reach him at 314-369-8849. Mark Williams NPI number (Unique professional ID assigned by NPPES) is 1215522602.

Mark Williams is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. He helps his 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

Mark Williams 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 Mark Williams
Specialization Addiction (Substance Use Disorder) Counselor
Gender Male
Practice Address: 200 W Monroe St Ste 1150,
Chicago, IL - 60606-5036

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 Number1215522602
NPI Enumeration Date: 08 Mar, 2021
NPI Last Update On: 08 Mar, 2021

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 Mark Williams are as mentioned below.

License NumberSpecializationStateStatus
26701Addiction (Substance Use Disorder) Counselor IllinoisPrimary

Mailing Address

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

Mark Williams
200 W Monroe St Ste 1150,
Chicago, IL - 60606-5036
Phone: 314-369-8849

Book an Appointment with Mark Williams

To schedule an appointment, contact Mark Williams at 200 W Monroe St Ste 1150, Chicago, Illinois or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mark Williams:

Mark Williams is a therapist specializing in Addiction (Substance Use Disorder) Counselor. He is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. He helps his 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.

Yes, Mark Williams is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Mark Williams practices at 200 W Monroe St Ste 1150, Chicago, Illinois, 60606-5036.

To schedule an appointment with Mark Williams, please contact the office at 314-369-8849.

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