DepartmentsCardiovascular MedicineLocationRochester, MinnesotaLanguagesEnglishSpanishExisting patientsSend a secure message via patient portal Conditions treatedCardiogenic shockCardiomyopathyCirculatory deathCoronary artery diseaseHeart failureHeart transplant complicationPulmonary hypertension Procedures performedNuclear stress testRight heart catheterizationRight heart catheterization with exerciseStress echocardiogramTransesophageal echocardiogram InterestsAdvanced Heart FailureIschemic CardiomyopathyNon-ischemic CardiomyopathyInvasive hemodynamicsHeart TransplantationMechanical circulatory supportCardiogenic shockCardiac arrestValvular heart diseasePulmonary HypertensionRight ventricular functionEchocardiographyCardiac nuclear medicine imaging Mayo Clinic locations Rochester, Minnesota Driving directions More info Billing & insurance Accessibility services Education Advanced Fellowship - Advanced Heart Failure and TransplantMinneapolis Heart Institute Fellowship - Cardiovascular Disease FellowshipUniversity of Minnesota, Cardiovascular Division Residency - Internal MedicineUniversity of Minnesota, Department of MedicineShow more education Activities and honorsCertifications2021EchocardiographyNational Board of Echocardiography2019Internal MedicineAmerican Board of Internal MedicinePublicationsSee my publications Conditions treatedProcedures performedInterestsMayo Clinic locationsEducationActivities and honors Request an appointment PST-20552952 Doctors & Medical Staff Crespo-Diaz, Ruben J. M.D., Ph.D.