John Walter Marshall is an Addiction (Substance Use Disorder) Counselor based in San Diego, CA and is specialized in Addiction (Substance Use Disorder). John Walter Marshall practices in San Diego, CA and has the professional credentials of SUDRC. The NPI Number for John Walter Marshall is 1285394114 and holds a License No. (California).
The current practice location address for John Walter Marshall is 823 Gateway Center Way, San Diego, CA and can be reached out via phone at 619-515-2300.
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