Mary Louise Mattia Areas of Expertise: Hemophilia and Thrombosis Center coordination of care for patients with bleeding disorders and clots. Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467) Background Mary Louise Mattia has been a member of the team at CHOP that leads Mid-Atlantic Region III Hemophilia Treatment Centers since 1996. In her role, she completes the annual HDS report and supports the team with other projects for Mid-Atlantic Region III HTCs. Education and Training Undergraduate DegreeArt Institute of Philadelphia, Philadelphia, PA Titles and Academic Titles Program Coordinator, Hemostasis and Thrombosis Program Departments and Services Hemostasis and Thrombosis Center Mid-Atlantic Region III Core Center for Federally Funded HTCsHemophilia and Bleeding Disorders ProgramThrombosis 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.