Josiane Arissie Tossa, PA-C Josiane Arissie Tossa, PA-CLanguages: EnglishPhone: Contact this Provider: SpecialtiesEducationGraduate Education: The George Washington University School of Public Health & Health Sciences (2020)Practice Locations110 Irving Street NorthwestFloor 2Washington, DC 20010View MapMember of Medical StaffView SiteMedStar Washington Hospital Center