Gregory Jen is an Addiction (Substance Use Disorder) Counselor based in Watseka, IL and is specialized in Addiction (Substance Use Disorder). Gregory Jen practices in Manteno, IL and has the professional credentials of CADC. The NPI Number for Gregory Jen is 1508336546 and holds a License No. (Illinois).
The current practice location address for Gregory Jen is 411 W Division St, Manteno, IL and can be reached out via phone at 815-432-5241.
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