Erik P Thyssen, MD Gastroenterology

Dr. Erik P Thyssen, MD

Gastroenterology, Internal Medicine
Saint Louis, MO 63141
Accepting New Patients Visit Website
(314) 403-0635

About Dr. Erik P Thyssen MD

Dr. Erik P Thyssen, MD is a doctor primarily located in Saint Louis, MO. He has 37 years of experience. His specialties include Gastroenterology, Internal Medicine.


Specialists In Gastroenterology 11525 Olde Cabin Rd Saint Louis, MO 63141


Dr. Erik P Thyssen has the following 2 SPECIALTIES

A gastroenterologist is a specialist in diagnosis and treatment of conditions involving the digestive/gastrointestinal (GI) tract. These doctors are experts on how food moves through the digestive system and is chemically broken down, with nutrients being absorbed and waste excreted. You might see this kind of doctor if you are experiencing any number of stomach issues, some of which might be severe diarrhea, irritable bowel syndrome, hemorrhoids, ulcers, acid reflux, Crohn's disease and more.

Specialty Expertise

Dr. Erik P Thyssen has the following 10 expertise

  • Acid Reflux Disease (GERD)
  • Abdominal Pain
  • Hemorrhoids
  • Ulcerative Colitis
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Celiac Disease
  • Hepatitis C
  • Colonoscopy
  • Irritable Bowel Syndrome (IBS)
  • Constipation


37 Years Experience

Kobenhavns Universitet Det Sundhedsvidenskabelige Og Medicinsk Fakultet

Graduated in 1984

Barnes Jewish Hospital


Dr. Erik P Thyssen Accepts the Following Insurance

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More about Dr. Erik P Thyssen

Dr. Eric Thyssen is board-certified in both internal medicine and gastroenterology, Erik Thyssen, MD, currently sees patients at Specialists in Gastroenterology. He is dedicated to providing high-quality care to those living in and around St. Louis, Missouri.

Dr. Thyssen was born and raised in Denmark. After completing his medical degree, his desire to further his education led him to relocate to the United States and complete his internal medicine training at Michael Reese Hospital in Chicago, Illinois. He then completed his gastroenterology fellowship at Washington University in St. Louis, Missouri.

At Specialists in Gastroenterology, Dr. Thyssen sees adults with gastrointestinal disorders and uses endoscopic techniques in early detection and treatment. In addition, he has a voluntary teaching appointment in the Department of Medicine and Surgery at the Washington University School of Medicine. 

Dr. Thyssen and his wife, Carin, have three sons. Outside of work, he enjoys playing tennis and watching his wife perform on stage.