Addiction Therapist

Mr. Gary Allen Williams, CAC II

124 15th St Se, Washington, District Of Columbia, 20003-1519

About Mr. Gary Allen Williams

Mr. Gary Allen Williams is a therapist based in Washington, District Of Columbia who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Mr. Gary Allen Williams is 1291 for Addiction (Substance Use Disorder) Counselor in District Of Columbia. His current practice location is 124 15th St Se, Washington. Patients can reach him at 202-543-4558 or can fax him at 202-543-4579. Mr. Gary Allen Williams is CAC II in Addiction (Substance Use Disorder) Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1235829292.

Mr. Gary Allen 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

Mr. Gary Allen 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 Mr. Gary Allen Williams
Specialization Addiction (Substance Use Disorder) Counselor
Credentials CAC II
Gender Male
Practice Address: 124 15th St Se,
Washington, DC - 20003-1519
Fax 202-543-4579

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 Number1235829292
NPI Enumeration Date: 11 May, 2023
NPI Last Update On: 11 May, 2023

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 Mr. Gary Allen Williams are as mentioned below.

License NumberSpecializationStateStatus
1291Addiction (Substance Use Disorder) Counselor District Of ColumbiaPrimary

Mailing Address

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

Mr. Gary Allen Williams
5717 Cypress Creek Dr Apt 303,
Hyattsville, MD - 20782-1830
Phone: 202-213-1214

Book an Appointment with Mr. Gary Allen Williams

To schedule an appointment, contact Mr. Gary Allen Williams at 124 15th St Se, Washington, District Of Columbia or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mr. Gary Allen Williams:

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

Gary Allen Williams practices at 124 15th St Se, Washington, District Of Columbia, 20003-1519.

To schedule an appointment with Gary Allen Williams, please contact the office at 202-543-4558.

Reviews & Feedback

Have you visited Mr. Gary Allen Williams? Share your experience to help others looking for a Addiction (Substance Use Disorder) Counselor in Washington, DC.

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