An Exploration of Facilitators and Barriers to Patient Navigator Core Functions with Breast Cancer Patients: Implications for the Development of a Human-Centered Mhealth App

•Patient navigators are critical in breast cancer care and delivery.•Limits in patient navigator workflows can negatively impact breast cancer care.•Informed by a human-centered design and sociotechnical systems framework.•Consider multilevel factors when designing a mHealth app.•A mHealth app may enhance patient navigator workflows across the care continuum.