Dr. John J. Callahan graduated from the SUNY Upstate Medical University in 1987. He works in Buffalo, NY and 1 other location and specializes in Orthopaedic Surgery and Hand Surgery. Dr. Callahan is affiliated with Erie County Medical Center, Kenmore Mercy Hospital and Mercy Hospital Of Buffalo.
Years in Practice: 28 Years
Languages Spoken: English
Medical School: SUNY Upstate Medical University
Graduation Date: 1987
Specialties: Orthopaedic Surgery, Hand Surgery
*This physician has multiple office locations. See Appointments for details.