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Summary

  • Dr. John Madsen, MD is a gastroenterologist in New London, Connecticut. He is currently licensed to practice medicine in Connecticut, Virginia, and Illinois. He is affiliated with Lawrence + Memorial Hospital.

Education & Training

  • Yale-New Haven Medical Center
    Yale-New Haven Medical CenterFellowship, Gastroenterology, 1974 - 1976
  • McGaw Medical Center of Northwestern University
    McGaw Medical Center of Northwestern UniversityResidency, Internal Medicine, 1973 - 1974
  • McGaw Medical Center of Northwestern University
    McGaw Medical Center of Northwestern UniversityResidency, Internal Medicine, 1969 - 1970
  • Weill Cornell Medicine
    Weill Cornell MedicineClass of 1968

Certifications & Licensure

  • IL State Medical License
    IL State Medical License 1969 - Present
  • CT State Medical License
    CT State Medical License 1974 - 2025
  • VA State Medical License
    VA State Medical License 1971 - 2008
  • American Board of Internal Medicine Internal Medicine
  • American Board of Internal Medicine Gastroenterology

Professional Memberships

Hospital Affiliations