Addiction Therapist

Warren Marshall

77 Sullivan Pl Apt 19d, Brooklyn, New York, 11225-2518

About Warren Marshall

Warren Marshall is a therapist based in Brooklyn, New York who is specialized in Addiction (Substance Use Disorder) Counselor. His current practice location is 77 Sullivan Pl Apt 19d, Brooklyn. Patients can reach him at 646-919-4573. Warren Marshall NPI number (Unique professional ID assigned by NPPES) is 1013481928.

Warren Marshall 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

Warren Marshall 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 Warren Marshall
Specialization Addiction (Substance Use Disorder) Counselor
Gender Male
Practice Address: 77 Sullivan Pl Apt 19d,
Brooklyn, NY - 11225-2518

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 Number1013481928
NPI Enumeration Date: 14 Jan, 2019
NPI Last Update On: 14 Jan, 2019

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 Warren Marshall are as mentioned below.

License NumberSpecializationStateStatus
Addiction (Substance Use Disorder) Counselor Primary

Mailing Address

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

Warren Marshall
77 Sullivan Pl Apt 19d,
Brooklyn, NY - 11225-2518

Book an Appointment with Warren Marshall

To schedule an appointment, contact Warren Marshall at 77 Sullivan Pl Apt 19d, Brooklyn, New York or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Warren Marshall:

Warren Marshall 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, Warren Marshall is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Warren Marshall practices at 77 Sullivan Pl Apt 19d, Brooklyn, New York, 11225-2518.

To schedule an appointment with Warren Marshall, please contact the office at 646-919-4573.

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