Dr. Andreas Thyssen

Dr. Andreas Thyssen


Dr. Thyssen is board certified in Lifestyle Medicine, Internal Medicine, Pediatrics, and Pediatric Hospital Medicine. He began practicing in Maine in 2013, a midwestern transplant who’s put down roots with his wife and three children right here in Brunswick. Dr. Thyssen’s passion is in supporting and coaching patients towards lifestyle changes that reverse or prevent chronic medical conditions.


For the past ten years, he has worked in large teaching hospitals taking care of adults and children that are too sick to be cared for at home. Over time, he realized that while our healthcare system has become excellent at treating the complications brought on by chronic illnesses like heart disease, stroke, and diabetes, it doesn’t often succeed at looking for or addressing the root cause of the problem. This was his inspiration to start Maine Street Medical!


His work displays his dual loves of scientific and artistic exploration:

  • Assistant professor with Tufts Medical School
  • Highly awarded coach and teacher to Tufts Medical students
  • Award-winning lecturer of colleagues at Maine Medical Center
  • Author of several peer-reviewed publications
  • Published author of creative literature 
  • Peer-reviewer for multiple scientific and medical publications
  • Member of the Gold Humanism Honor Society


Dr. Thyssen believes in putting people at the center of their personal wellness plan and recognizes them as the expert in their own journey. He is a certified health and wellness coach and utilizes this approach when working with patients. When he is not working, he can be found spending time with his family. He is an avid snowboarder, soccer player, and triathlete and looks forward to learning about your interests when he meets you!

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