Ronald GathaganHospital ResidentDownloadHi-Res PhotoCardsContact Inforonald.gathagan@yale.eduLearn moreabout Contact InfoAboutGet In TouchRonald GathaganAboutCopy LinkTitlesHospital ResidentAppointmentsDepartments & OrganizationsRadiology & Biomedical ImagingGet In TouchCopy LinkContactsEmailronald.gathagan@yale.edu