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Our Doctors


  • Gastroenterologist


Dr. Rettig completed her undergraduate work at Iowa State University in Ames, Iowa where she earned a Bachelor’s degree in Psychology and a Master’s degree in Biological Psychology and Neuroscience. She received her medical degree from the University of Minnesota and completed her internship and residency at Hennepin County Medical Center in Minneapolis. She joined MNGI Digestive Health (previously Minnesota Gastroenterology) in July 2004 after completing a three year fellowship in gastroenterology at the University of Illinois at Chicago. Dr. Rettig is a member of the American College of Gastroenterology, the American Gastroenterological Association, and the Crohns and Colitis Foundation.

Special Interests

  • General Gastroenterology
  • Gastrointestinal Cancers
  • Inflammatory Bowel Disease

Education and Training

  • University of Minnesota – Medical Degree
  • Hennepin County Medical Center – Internship and Residency
  • University of Illinois at Chicago – Fellowship

Personal Interests

In her free time, Dr. Rettig enjoys making jewelry, knitting, hiking, scuba diving, and spending time with family, friends, and her two cats.


Hudson Physicians Specialty Center – 2651 Hillcrest Drive, Hudson, WI 54016

Vadnais Heights Endoscopy Center & Clinic

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