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Dr. Callahan is on Doximity

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Education & Training

  • Orange County Medical Center
    Orange County Medical CenterResidency, Obstetrics and Gynecology, 1972 - 1975
  • Arrowhead Regional Medical Center
    Arrowhead Regional Medical CenterInternship, Transitional Year, 1971 - 1972
  • University of California, Irvine, School of Medicine
    University of California, Irvine, School of MedicineClass of 1971

Certifications & Licensure

  • NM State Medical License
    NM State Medical License 2023 - 2026
  • CA State Medical License
    CA State Medical License 1972 - 2024
  • American Board of Obstetrics and Gynecology Obstetrics & Gynecology

Hospital Affiliations