John J Callahan is a Orthopedic Hand Surgery Physician based in Amherst, NY and is specialized in Hand Surgery. John J Callahan practices in Amherst, NY and has the professional credentials of MD. The NPI Number for John J Callahan is 1952338048 and holds a License No. 192324 (New York).
The current practice location address for John J Callahan is 3925 Sheridan Drive, Amherst, NY and can be reached out via phone at 716-250-9999 and via fax at 716-250-4177.
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