Dr. Maddox obtained her medical degree from UT Southwestern. She completed her residency in Pediatrics at UT Southwestern. She then joined the faculty at UT Southwestern as an Assistant Professor of Pediatrics in the Division of Developmental-Behavioral Pediatrics.  She worked as an attending in the Complex Care Clinic serving as a primary care physician to children with multiple chronic conditions. In addition to her role with patients, she was Clinical Educator mentoring students, residents, and fellows. She is currently a fellow of Hospice and Palliative Medicine at UT Southwestern.