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William Callahan, MD, Gastroenterology, Gainesville, GA

WilliamThomasCallahanMD

Gastroenterology Gainesville, GA

Physician

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Summary

  • Dr. William Callahan, MD is a gastroenterologist in Gainesville, Georgia. He is currently licensed to practice medicine in California.

Education & Training

  • University of North Carolina Hospitals
    University of North Carolina HospitalsFellowship, Gastroenterology, 1976 - 1978
  • University of Texas Southwestern Medical Center
    University of Texas Southwestern Medical CenterResidency, Internal Medicine, 1975 - 1976
  • University of Alabama Medical Center
    University of Alabama Medical CenterResidency, Internal Medicine, 1971 - 1973
  • Medical College of Georgia at Augusta University
    Medical College of Georgia at Augusta UniversityClass of 1971

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 1988 - 2015