Denise Flexon Denise Flexon is the allergy coordinator with the Division of Allergy and the Food Allergy Center at Children's Hospital of Philadelphia, Brandywine location. Locations: Specialty Care & Surgery Center, Brandywine Valley Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467) Education and Training Undergraduate DegreeAD in Health Sciences - Delaware County Community College, Media, PA Titles and Academic Titles Allergy Coordinator Departments and Services Division of AllergyFood Allergy Center