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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. James Callahan:

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Specialties & Research

Dr. James Callahan, MD is board certified in Diagnostic Radiology.

Education & Awards

Dr. Callahan graduated from Upstate Medical University Physical Medicine and Rehabilitation, Syracuse.


Dr. Callahan has 8 hospital affiliations:

  • Community General Hospital of Greater Syracuse 
  • Crouse Hospital 

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Additional Information
Dr. James Thomas Callahan MD is a male Diagnostic Radiologist, has 43 years of experience and practices in Diagnostic Radiology.
Where does Dr. James T. Callahan practice?
Dr. James Callahan has 1 office location.
Dr. James Callahan practices Diagnostic Radiology near East Syracuse, NY.
See East Syracuse Radiologists.