Gina O'Sullivan, MS, OTR/L Gina O'Sullivan, MS, OTR/L, is an occupational therapist at The Children's Hospital of Philadelphia. Locations: Main Campus Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467) Education and Training Additional TrainingCertified Pediatric Massage Therapist Board CertificationRegistered/Licensed Occupational TherapistUndergraduate DegreeBA, Psychology and Elementary Education - Gettysburg CollegeGraduate DegreeMS, Occupational Therapy - Thomas Jefferson University, Philadelphia, PA Titles and Academic Titles Occupational Therapist II Departments and Services Occupational TherapyTrisomy 21 Program