David George Thomassen is a Mental Health Counselor based in Frederick, MD and is specialized in Mental Health. David George Thomassen practices in Frederick, MD and has the professional credentials of MS,LGPC. The NPI Number for David George Thomassen is 1013338623 and holds a License No. LGP3782 (Maryland).
The current practice location address for David George Thomassen is 309 E Patrick St, Frederick, MD and can be reached out via phone at 240-578-2322.
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