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Dr. Sigler is on Doximity

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Education & Training

  • University of Colorado
    University of ColoradoResidency, Dermatology, 1989 - 1991
  • University of Kansas School of Medicine
    University of Kansas School of MedicineResidency, Dermatology, 1988 - 1989
  • Creighton University School of Medicine
    Creighton University School of MedicineResidency, 1985 - 1988
  • Creighton University School of Medicine
    Creighton University School of MedicineClass of 1985

Certifications & Licensure

  • CO State Medical License
    CO State Medical License 1991 - 2025
  • American Board of Dermatology Dermatology