Addiction Therapist

Ms. Diane Marie Gilliard, LCPC, CADC

120 S Marion St, 4th Floor, Oak Park, Illinois, 60302-2809

About Ms. Diane Marie Gilliard

Ms. Diane Marie Gilliard is a therapist based in Oak Park, Illinois who is specialized in Addiction (Substance Use Disorder) Counselor. Her current practice location is 120 S Marion St, 4th Floor, Oak Park. Patients can reach her at 708-406-3105. Ms. Diane Marie Gilliard is LCPC, CADC in Addiction (Substance Use Disorder) Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1609984285.

Ms. Diane Marie Gilliard 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

Ms. Diane Marie Gilliard 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 Ms. Diane Marie Gilliard
Specialization Addiction (Substance Use Disorder) Counselor
Credentials LCPC, CADC
Gender Female
Practice Address: 120 S Marion St, 4th Floor
Oak Park, IL - 60302-2809

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 Number1609984285
NPI Enumeration Date: 25 Aug, 2006
NPI Last Update On: 11 Sep, 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 Ms. Diane Marie Gilliard are as mentioned below.

License NumberSpecializationStateStatus
Mental Health Counselor IllinoisPrimary
13726Addiction (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.

Ms. Diane Marie Gilliard
714 S Fairfield Ave,
Lombard, IL - 60148-3504
Phone: 630-620-4327

Book an Appointment with Ms. Diane Marie Gilliard

To schedule an appointment, contact Ms. Diane Marie Gilliard at 120 S Marion St, 4th Floor, Oak Park, Illinois or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Ms. Diane Marie Gilliard:

Ms. Diane Marie Gilliard 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, Ms. Diane Marie Gilliard is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Ms. Diane Marie Gilliard practices at 120 S Marion St, 4th Floor, Oak Park, Illinois, 60302-2809.

To schedule an appointment with Ms. Diane Marie Gilliard, please contact the office at 708-406-3105.

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