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Dr. Lassen is on Doximity

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Education & Training

  • Siouxland Medical Education Foundation
    Siouxland Medical Education FoundationResidency, Family Medicine, 1978 - 1980
  • Siouxland Medical Education Foundation
    Siouxland Medical Education FoundationInternship, Family Medicine, 1977 - 1978
  • University of Iowa Roy J. and Lucille A. Carver College of Medicine
    University of Iowa Roy J. and Lucille A. Carver College of MedicineClass of 1977

Certifications & Licensure

  • IA State Medical License
    IA State Medical License 1977 - 2026
  • NE State Medical License
    NE State Medical License 1993 - 2021
  • SC State Medical License
    SC State Medical License 1985 - 1987
  • American Board of Family Medicine Family Medicine

Hospital Affiliations