John Walker is an Addiction (Substance Use Disorder) Counselor based in Central Islip, NY and is specialized in Addiction (Substance Use Disorder). John Walker practices in Commack, NY and has the professional credentials of ASAC. The NPI Number for John Walker is 1114047545 and holds a License No. 12833 (New York).
The current practice location address for John Walker is 155 Indian Head Rd, Commack, NY and can be reached out via phone at 631-543-6200.
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