na1145 19th Street NW, Suite 301, Washington, DC 20036naWashington1145 19th Street NW, Suite 301Washington, DC 20036Email: id19-frontdesk@mydermgroup.comHours Of Operation: Monday:8:00 AM - 4:00 PM Tuesday:8:00 AM - 4:00 PM Wednesday:8:00 AM - 4:00 PM Thursday:8:00 AM - 4:00 PM Friday:8:00 AM - 4:00 PM Saturday:Closed Sunday:Closed Request Appointment202-955-6995