Addiction Therapist

Willie J Matthias, CASAC

116 John St, New York, New York, 10038-3300

About Willie J Matthias

Willie J Matthias is a therapist based in New York, New York who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Willie J Matthias is 17858 for Addiction (Substance Use Disorder) Counselor in New York. His current practice location is 116 John St, New York. Patients can reach him at 212-964-0128 or can fax him at 212-964-0112. Willie J Matthias is CASAC in Addiction (Substance Use Disorder) Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1093019861.

Willie J Matthias 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

Willie J Matthias 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 Willie J Matthias
Specialization Addiction (Substance Use Disorder) Counselor
Credentials CASAC
Gender Male
Practice Address: 116 John St,
New York, NY - 10038-3300
Fax 212-964-0112

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 Number1093019861
NPI Enumeration Date: 07 Jan, 2011
NPI Last Update On: 07 Jan, 2011

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 Willie J Matthias are as mentioned below.

License NumberSpecializationStateStatus
17858Addiction (Substance Use Disorder) Counselor New YorkPrimary

Mailing Address

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

Willie J Matthias
116 John St,
New York, NY - 10038-3300
Phone: 212-964-0128
Fax: 212-964-0112

Book an Appointment with Willie J Matthias

To schedule an appointment, contact Willie J Matthias at 116 John St, New York, New York or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Willie J Matthias:

Willie J Matthias 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, Willie J Matthias is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Willie J Matthias practices at 116 John St, New York, New York, 10038-3300.

To schedule an appointment with Willie J Matthias, please contact the office at 212-964-0128.

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