Di (Sandy) Sun, MD, MPH Di (Sandy) Sun, MD, MPH, is a fellow with the Division of Allergy at Children's Hospital of Philadelphia. Locations: Main Campus Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467) Education and Training Medical SchoolMD - Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH ResidencyPediatrics - Children’s Hospital Los Angeles, Los Angeles, CA FellowshipAllergy and Immunology - Children’s Hospital of Philadelphia, Philadelphia, PA Research Fellow - Doris Duke Clinical Research Fellowship, Johns Hopkins University, Baltimore, MD Board CertificationPediatricsGraduate DegreeMPH concentration in Population Health Research - Case Western Reserve University School of Public Health, Cleveland, OH Titles and Academic Titles Fellow Departments and Services Division of AllergyFood Allergy Center 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.