Sonia S. Kupfer, MD

Assistant Professor of Medicine

Sonia Kupfer is an adult gastroenterologist with clinical and research interests in inherited gastrointestinal cancers and colorectal cancer disparities. She serves as Director of the Gastrointestinal Cancer Risk and Prevention clinic at the University of Chicago. She graduated from Yale University and completed her medical training including Chief Residency and Gastroenterology fellowship at the University of Chicago. Dr. Kupfer holds two grants from the National Institute of Health to study colorectal cancer disparities. Sonia has served as co-Director of several national clinical genetics conferences and is a core faculty member in the City of Hope cancer genetics educational program. Dr. Kupfer is Past-President of the Collaborative Group of the Americas on Inherited Gastrointestinal Cancer. In 2017, Dr. Kupfer was awarded the Division of Biological Sciences Diversity and Inclusion Junior award and the Joseph B. Kirsner Mentorship Award. In 2019, Dr. Kupfer was awarded the AGA Young Investigator Award.

Gregory Idos MD, MS


Dr. Idos is a board-certified gastroenterologist and trained cancer geneticist, who specializes in the care of patients with Lynch syndrome, FAP (familial adenomatous polyposis) and other inherited syndromes. The goal of his research is to find new ways to prevent cancer and to improve treatment and care for cancer patients.

A UCLA graduate, Dr. Idos has a master’s degree from Keck School of Medicine of USC. He received his medical degree at University of Vermont, continued his residency training at USC and completed his gastroenterology fellowship at Brigham and Women’s Hospital at Harvard. Dr. Idos is an associate clinical professor in Division of Gastroenterology and leads one of the largest multicenter studies examining the benefits and harms of “multiplex” gene panel testing. His research also focuses on the evaluation of novel technologies with the goal of providing new tools for hereditary cancer risk assessment and the development of novel cellular models to elucidate the fundamental mechanisms of microsatellite instability and Lynch syndrome.

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