Lauren Willis, MD

Western Montana Clinic


Contact Information

Western Montana Clinic
2835 Fort Missoula Road
Building 3
Missoula, Montana 59804
(406) 721-5600

24-7 Free Nurse on Call
(406) 327-4770

Referral / Consult Line
(medical providers only)
(888) 487-8635
(406) 327-4726

Lauren Willis, MD

Western Montana Clinic

Lauren Kiely Willis, MD is board certified in Pediatric Gastroenterology and Pediatrics by the American Board of Pediatrics. She is also a professional member of the American College of Gastroenterology, American Gerontological Association, American Academy of Pediatrics, and the North American Society of Pediatric Gastroenterology, Hepatology and Nutrition.

Dr. Willis has researched or instructed on: quality improvement for children with inflammatory bowel disease; growth problems in pediatric patients; eosinophilic esophagitis, strategies for dietary management; pediatric Crohn’s disease; pediatric IBD; portal hypertension; acute pancreatitis; celiac disease; inflammatory bowel disease; bilary atresia; food allergy and anaphylaxis management in the classroom; and gastroesphageal reflux disease (GERD).

She moved from Virginia, where she spent 18 years treating all manner of pediatric gastrointestinal disorders.

Dr. Willis enjoys spending time with her family exploring Western Montana.


Medical School

University of Alabama School of Medicine, Birmingham, Alabama


Internship and Residency in Pediatrics, St. Louis Children's Hospital, St. Louis, Missouri


Fellowship in Pediatric Gastroenterology, Washington University School of Medicine, St. Louis, Missouri



American Board of Pediatrics, subspecialty in Pediatric Gastroenterology