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Mark Detweiler MD

 Londonderry Gastroenterology

   Healing Beyond the Symptoms

About Dr. Detweiler

Education :

  • Fellowship - University Of Utah Medical Center
  • Internal Medicine Residency -University of Vermont Medical Center
  • Medical School - The College of Medicine at Penn State University MD
  • Undergraduate - Lehigh University BS Chemistry


Hiking with his dogs Laci and Willow, Downhill and Cross Country Skiing, Snow shoeing, Reading, and anything Gadgety or Techy.

Food! Especially Mexican...

Teaching about anything I know.

Family - Married 42 years, 3 grown children and two mutts.

Lives in Manchester NH