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Dr. John J. Callahan, MD

Orthopaedic Surgery

Dr. Callahan's Overview

Dr. John J. Callahan graduated from the SUNY Upstate Medical University in 1987. He works in Buffalo, NY and 2 other locations 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.

Dr. Callahan's Experience

Years in Practice: 28

Dr. Callahan's Specialties

Orthopaedic Surgery, Hand Surgery

Dr. Callahan's Education & Training

Medical School: SUNY Upstate Medical University; Graduated 1987

Dr. Callahan's Rating

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Dr. Callahan's Accepted Insurance

  • Aetna Choice POS II
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • BCBS Blue Card PPO
  • CDPHP PPO
  • CIGNA Open Access Plus
  • CIGNA PPO
  • Emblem HIP Select PPO
  • EmblemHealth PPO GHI
  • Empire PPO
  • View More

Dr. Callahan's Office Information & Appointments

Office Locations

*This physician has multiple office locations. See Office Information for details.

Other Physicians in Dr. Callahan's Practice

Office Locations

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