Kristoffel Dumon, MD Kristoffel Dumon, MD, is a gastrointestinal surgeon at the Hospital of the University of Pennsylvania who provides bariatric surgery services to patients in the Adolescent Bariatric Program at The Children's Hospital of Philadelphia. Background View Dr. Dumon's bio: http://www.pennmedicine.org/providers/profile/kristoffel-dumon Titles and Academic Titles Gastrointestinal SurgeonAssistant Professor of Surgery at the Hospital of the University of Pennsylvania and the Veteran's Administration Medical Center Departments and Services Adolescent Bariatric Program Patient Experience Ratings About the Patient Experience Rating System The Patient Experience Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question. Responses are measured on a scale of 1 to 5 with 5 being the best score. The comments are submitted by patients and families and reflect their views and opinions. The comments are not endorsed by and do not reflect the views of Children’s Hospital of Philadelphia.