Helen Giannakopoulos, DDS, MD Areas of Expertise: Facial trauma Locations: Main Campus Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467) Education and Training ResidencyHospital of the University of Pennsylvania, Philadelphia, PABoard CertificationAmerican Board of Oral and Maxillofacial SurgeryUndergraduate DegreeMedical College of Pennsylvania, Philadelphia, PA, MDUniversity of Illinois College of Dentistry, Chicago, IL, DDS Titles and Academic Titles Oral and Maxillofacial Surgeon Departments and Services Division of Dentistry Research Interests Temporomandibular joint surgeryPediatric jaw tumors 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.