Addiction Therapist

John Mazzarino, CASAC

311 W 35th St, New York, New York, 10001-1701

About John Mazzarino

John Mazzarino is a therapist based in New York, New York who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of John Mazzarino is 25565 for Addiction (Substance Use Disorder) Counselor in New York. His current practice location is 311 W 35th St, New York. Patients can reach him at 212-736-5900 or can fax him at 212-643-1441. John Mazzarino is CASAC in Addiction (Substance Use Disorder) Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1316344161.

John Mazzarino 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

John Mazzarino 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 John Mazzarino
Specialization Addiction (Substance Use Disorder) Counselor
Credentials CASAC
Gender Male
Practice Address: 311 W 35th St,
New York, NY - 10001-1701
Fax 212-643-1441

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 Number1316344161
NPI Enumeration Date: 21 Nov, 2014
NPI Last Update On: 21 Nov, 2014

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 John Mazzarino are as mentioned below.

License NumberSpecializationStateStatus
25565Addiction (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.

John Mazzarino
311 W 35th St,
New York, NY - 10001-1701
Phone: 212-736-5900
Fax: 212-643-1441

Book an Appointment with John Mazzarino

To schedule an appointment, contact John Mazzarino at 311 W 35th 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 John Mazzarino:

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

John Mazzarino practices at 311 W 35th St, New York, New York, 10001-1701.

To schedule an appointment with John Mazzarino, please contact the office at 212-736-5900.

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