Internal Medicine

Internal medicine physicians, also known as internists, provide primary care to adults, including preventive care and management of chronic conditions. Internal medicine is provided at FamilyHealth Medical Clinic–Northfield, with physician services provided by Mayo Clinic Health System.

  • Katherine Helgen, MD
    Northfield
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    Katherine Helgen, MD
    Internal Medicine (Northfield)
    • Education:
      • College: St. Olaf College
      • Medical School: St. Louis University School of Medicine
      • Residency: Mayo Clinic in Rochester, Minn. for Internal Medicine
    • Professional Designations:
      • Board certified by the American Board of Internal Medicine
    • Special Interests:
      • Travel medicine
      • Geriatrics
      • Hypertension
  • Randolph Reister, MD
    Northfield
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    Randolph Reister, MD
    Internal Medicine (Northfield)
    • Education:
      • College: Augustana College
      • Medical School: University of South Dakota School of Medicine
      • Residency in Internal Medicine at Creighton University (ChiefMedical Resident)
    • Professional Designations:
      • Fellow of the American College of Physicians
      • Board Certified in Internal Medicine
    • Special Interests:
      • Skilled endoscopist who preforms both colonoscopies and EGDs
      • Management of Diabetes
      • Hypertension
      • Heart Failure
      • Kidney Disease
      • Disorders of the GI Tract
    • Personal Interests:
      • Avid Runner
      • Baseball and Football Fan