3921 Sheridan Drive Amherst, NY 14226
(716) 250-6520

John J. Callahan, MD

John J. Callahan, MD



Current Positions & Affiliations

Partner - Excelsior Orthopaedics
Kenmore Mercy Hospital
Sisters' Hospitals
Mercy Hospital
Buffalo Surgery Center - Excelsior Medical Campus


Fellow, American Academy of Orthopaedic Surgeons
American Medical Association
Medical Society of the State of New York
Erie County Medical Society
Western New York Orthopaedic Society
American Society for Surgery of the Hand
New York State Society of Orthopaedic Surgeons
Eastern Orthopaedics Association

Former Positions

Private practice, Southtowns Orthopaedics, Orchard Park, NY
East Boston Neighborhood Health Center Orthopaedic Clinic, East Boston, MA

A native of Buffalo, Dr. Callahan graduated from the University of Notre Dame with honors. He received his medical degree at SUNY Health Science Center at Syracuse, did his postgraduate internship and residency at Boston University Affiliated Hospitals and Boston University, and completed a fellowship in hand and microvascular surgery at the University of California San Diego.

He returned to Buffalo in 1993 and began private practice at Southtowns Orthopaedics. Dr. Callahan is a past president of the Western New York Orthopaedic Society. He has published research in Clinical Orthopaedics and Related Research and Journal of Hand Surgery.