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Dr. Demas is on Doximity

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Education & Training

  • University of Oklahoma Health Sciences Center
    University of Oklahoma Health Sciences CenterResidency, Otolaryngology - Head and Neck Surgery, 1973 - 1976
  • University of Oklahoma Health Sciences Center
    University of Oklahoma Health Sciences CenterResidency, Surgery, 1972 - 1973
  • Oregon Health  Science University Hospital
    Oregon Health Science University HospitalInternship, Transitional Year, 1971 - 1972
  • University of Oklahoma College of Medicine
    University of Oklahoma College of MedicineClass of 1971

Certifications & Licensure

  • OR State Medical License
    OR State Medical License 1989 - Present
  • AZ State Medical License
    AZ State Medical License 2009 - 2026
  • OK State Medical License
    OK State Medical License 1972 - 2024
  • ND State Medical License
    ND State Medical License Active through 2016
  • WA State Medical License
    WA State Medical License 1997 - 2016
  • CO State Medical License
    CO State Medical License 2009 - 2015
  • American Board of Otolaryngology - Head and Neck Surgery Otolaryngology