Gerald Edward Callahan III is an Addiction (Substance Use Disorder) Counselor based in San Francisco, CA and is specialized in Addiction (Substance Use Disorder). Gerald Edward Callahan III practices in San Francisco, CA and has the professional credentials of SUDRC. The NPI Number for Gerald Edward Callahan III is 1972384402 and holds a License No. (California).
The current practice location address for Gerald Edward Callahan III is 2020 Hayes St, San Francisco, CA and can be reached out via phone at 415-213-1921.
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