DepartmentsHospital Internal MedicineLocationRochester, MinnesotaLanguagesEnglishExisting patientsSend a secure message via patient portal Mayo Clinic locations Rochester, Minnesota Driving directions More info Billing & insurance Accessibility services Education2016Fellow - Hospital Medicine FellowshipMayo Clinic School of Graduate Medical Education, Hospital Medicine Fellowship2016FellowRST Hospital Medicine, Programs in Rochester, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine2015Residency - Internal MedicineMayo Clinic School of Graduate Medical Education2015ResidentInternal Medicine, Programs in Rochester, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine2012MD - MedicineMichigan State University College of Human Medicine2008BS with Distinction - Biology. Summa Cum LaudeWheaton CollegeShow more education Activities and honorsCertifications2015Internal MedicineAmerican Board of Internal MedicineAwards and honors2019RIV Winner of Poster Competition at Society of Hospital Medicine 2019, National Harbor, Maryland. Society of Hospital Medicine2017Recognized for diagnostic contribution in a case vignette published 3/2/17 in the "Diagnosis" column of the New York Times written by Dr. Lisa Sanders. New York Times Syndicate2012Alpha Omega AlphaMichigan State University College of Human Medicine2004Summa Cum LaudeWheaton CollegeShow more awards and honorsProfessional memberships2017 - presentReviewerMortality Review Team2015 - presentMemberAmerican College of Physicians (ACP)2015 - presentMemberSociety of Hospital Medicine (SHM)Show more professional membershipsPublicationsSee my publications Mayo Clinic locationsEducationActivities and honors Request an appointment PST-20306451 Doctors & Medical Staff DeFoster, Ruth E. M.D.