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Dr. Tieszen is on Doximity

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Education & Training

  • Mayo Clinic College of Medicine and Science (Rochester)
    Mayo Clinic College of Medicine and Science (Rochester)Residency, Internal Medicine, 1978 - 1981
  • University of South Dakota
    University of South DakotaInternship, Transitional Year, 1977 - 1978
  • Tufts University School of Medicine
    Tufts University School of MedicineClass of 1977

Certifications & Licensure

  • SD State Medical License
    SD State Medical License Active through 2025
  • American Board of Internal Medicine Internal Medicine

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2012-2013

Publications & Presentations

Hospital Affiliations