DepartmentsMayo Clinic Comprehensive Cancer CenterPulmonary MedicineSpecialty GroupsCritical CareLung Cancer ProgramLocationRochester, MinnesotaLanguagesEnglishExisting patientsSend a secure message via patient portal Conditions treatedInterstitial lung diseaseLung massLung noduleLung tumorPleural diseasePleural effusionPleural massPulmonary fibrosis Procedures performedBronchoscopyCentral venous catheterizationMechanical ventilationParacentesisThoracentesis InterestsDiagnosis and management of pulmonary fibrosis and interstitial lung diseaseDiagnosis and management of lung nodules, masses, and tumorsDiagnosis and management of pleural disease and pleural effusionsCritical care of patients in the intensive care unit Mayo Clinic locations Rochester, Minnesota Driving directions More info Billing & insurance Accessibility services Education2017FellowPulmonary and Critical Care Me, Programs in Rochester, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine2014ResidentMayo Graduate School of Medicine, Mayo Clinic College of Medicine2014ResidentInternal Medicine, Programs in Rochester, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine2011MDCreighton University2007BAUniversity of St. ThomasShow more education Activities and honorsCertifications2017Critical Care MedicineAmerican Board of Internal Medicine2016Pulmonary DiseaseAmerican Board of Internal Medicine2014Internal MedicineAmerican Board of Internal MedicineShow more certificationsAwards and honors2011Alpha Omega AlphaCreighton University School of Medicine2011Dr. William A. & Ethel Perer award for excellence in BiochemistryCreighton University School of MedicineProfessional memberships2023 - presentMemberAssociation of Pulmonary and Critical Care Medicine Program Directors2022 - presentClinical Competence Committee - MemberMayo Clinic2022 - presentFellowship Education Committee MemberMayo Clinic2022 - presentFellowship interview committee memberMayo Clinic2020 - presentMemberPulmonary Program Evaluation Committee2018 - presentActive MemberMERG2015 - presentMemberAmerican College of Chest Physicians2014 - presentMemberSociety of Critical Care Medicine2014 - presentMemberAmerican Thoracic Society2011 - 2017MemberMayo Fellows Association2011 - presentMemberMinnesota State Medical Association2011 - presentMemberAlpha Omega Alpha2010 - 2015MemberAmerican College of Physicians2007 - 2011MemberAmerican Medical Women's AssociationShow more professional membershipsPublicationsSee my publications Conditions treatedProcedures performedInterestsMayo Clinic locationsEducationActivities and honors Request an appointment PST-20298944 Doctors & Medical Staff Braun, Cassandra M. M.D.