Susan P. Magargee, DO, FAAP, FAAOP Susan P. Magargee, DO, FAAP, FAAOP, is a Pediatrician at CHOP Primary Care, Haverford in Bryn Mawr, PA. Locations: Primary Care, Haverford Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467) Education and Training Medical SchoolPhiladelphia College of Osteopathic Medicine, Philadelphia, Pa. ResidencyThomas Jefferson University Hospital, Philadelphia, Pa. Board CertificationAmerican Academy of Pediatrics Titles and Academic Titles Attending Physician