John Barker is an Addiction (Substance Use Disorder) Counselor based in Riverside, CA and is specialized in Addiction (Substance Use Disorder). John Barker practices in Riverside, CA. The NPI Number for John Barker is 1043800857 and holds a License No. (California).
The current practice location address for John Barker is 5870 Arlington Ave, Riverside, CA and can be reached out via phone at 951-683-6596.
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