Gregg Mastropolo, AA Posted on February 18, 2019 Gregg Mastropolo, AALanguages: EnglishFax: 202-877-5075Contact this Provider: 202-877-5504SpecialtiesPractice Locations110 Irving Street NorthwestDepartment of AnesthesiologyWashington, DC 20010View MapPhone: 202-877-5504Fax: 202-877-5075Member of Medical StaffView SiteMedStar Washington Hospital Center