Medical School
University of Charleston


  • National Commission on Certification of Physician Assistants
  • BLS CPR Certification
  • Advanced Cardiovascular Life Support (ACLS) Certification


Mr. Callahan obtained his Master of Physician Assistant Studies from the University of Charleston in 2017 where he served as Class President. Prior to joining Desert Radiology, Mr. Callahan worked as a PA in the West Virginia University Department of Orthopaedics with a focus in hand and wrist surgery for two years. During this time he developed an expertise in the diagnosis and treatment of various orthopedic conditions along with the ability to perform a wide array of invasive procedures. He also has prior experience interpreting radiographic imaging studies. Mr. Callahan is committed to providing excellent, patient-centered care and is dedicated to patient comfort, satisfaction and positive outcomes.

Mr. Callahan joined Desert Radiology in 2019.

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