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Dr. Collis is on Doximity

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Education & Training

  • University of South Dakota
    University of South DakotaResidency, Internal Medicine, 1985 - 1988
  • University of South Dakota
    University of South DakotaInternship, Transitional Year, 1979 - 1980
  • University of Minnesota Medical School
    University of Minnesota Medical SchoolClass of 1979

Certifications & Licensure

  • MN State Medical License
    MN State Medical License 1981 - 2025
  • American Board of Internal Medicine Internal Medicine

Professional Memberships