Dr. Dy graduated from Indiana University School of Medicine and completed her Internal Medicine Residency at the Indiana University Medical Center.  She completed her Gastroenterology Fellowship at the University of Texas Medical Branch in Galveston, Texas where she was Chief Fellow. She did an Advanced Therapeutic Endoscopy Fellowship at Allegheny General Hospital in Pittsburgh, PA.
She practiced 21 years in Des Moines, Iowa before moving to Glenwood Springs, Colorado where she worked prior to joining Grand Junction Gastroenterology in 2022.

She is Board Certified in Gastroenterology and is a member of the American College of Gastroenterology, the American Society of Gastrointestinal Endoscopy and the American Gastroenterological Association.