Addiction Therapist

John Walker, ASAC

155 Indian Head Rd, Commack, New York, 11725-2212

About John Walker

John Walker is a therapist based in Commack, New York who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of John Walker is 12833 for Addiction (Substance Use Disorder) Counselor in New York. His current practice location is 155 Indian Head Rd, Commack. Patients can reach him at 631-543-6200. John Walker is ASAC in Addiction (Substance Use Disorder) Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1114047545.

John Walker 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 Walker 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 Walker
Specialization Addiction (Substance Use Disorder) Counselor
Credentials ASAC
Gender Male
Practice Address: 155 Indian Head Rd,
Commack, NY - 11725-2212

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 Number1114047545
NPI Enumeration Date: 30 Mar, 2007
NPI Last Update On: 08 Jul, 2007

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 Walker are as mentioned below.

License NumberSpecializationStateStatus
12833Addiction (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 Walker
33 E Beech St,
Central Islip, NY - 11722-3140
Phone: 631-543-6200

Book an Appointment with John Walker

To schedule an appointment, contact John Walker at 155 Indian Head Rd, Commack, 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 Walker:

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

John Walker practices at 155 Indian Head Rd, Commack, New York, 11725-2212.

To schedule an appointment with John Walker, please contact the office at 631-543-6200.

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