DepartmentsHospital Internal MedicineLocationRochester, MinnesotaLanguagesEnglishExisting patientsSend a secure message via patient portalRefer a patient Share Facebook Twitter Print details Email InterestsMedical EducationInpatient medical careQuality improvement & patient safetyInterprofessional teamwork Mayo Clinic locations Rochester, Minnesota Driving directions More info Billing & insurance Accessibility services Education2014Chief Medical ResidentMayo School of Graduate Medical Education, Mayo Clinic College of Medicine2013Resident - Internal MedicineMayo School of Graduate Medical Education, Mayo Clinic College of Medicine2010MDCreighton University School of Medicine2006BASaint John's University Activities and honorsCertifications2013Internal MedicineAmerican Board of Internal MedicinePublicationsSee my publications InterestsMayo Clinic locationsEducationActivities and honors Request an appointment PST-20216309 Doctors & Medical Staff Ratelle, John T. M.D.