DepartmentsRadiation OncologyMayo Clinic Comprehensive Cancer CenterSpecialty GroupsBreast ClinicLocationRochester, MinnesotaLanguagesEnglishExisting patientsSend a secure message via patient portal Procedures performedBrachytherapyImage-guided diagnostic procedureProton therapyStereotactic body radiotherapy InterestsStereotactic body radiotherapyRadiotherapy and ImmunotherapyAccelerated partial breast radiotherapyOligometastatic cancersBreast, prostate, lung cancers and melanoma Mayo Clinic locations Rochester, Minnesota Driving directions More info Billing & insurance Accessibility services Education2011Resident - Radiation OncologyWilliam Beaumont Hospital2007Transitional Resident - Transitional YearWilliam Beaumont Hospital2006MD / PhD - ImmunologyRosalind Franklin University of Medicine and Science/Chicago Medical School1997MS - Applied PhysiologyRosalind Franklin University of Medicine and Science/Chicago Medical School1996BSUniversity of California, San DiegoShow more education Activities and honorsCertifications2012Radiation OncologyAmerican Board of RadiologyAwards and honors20232023 Translational Research AwardDepartment of Radiation Oncology2019Minnesota Top Doctors List, Rochester, Minnesota Minnesota Top Doctors List 2019 Best Doctors in Minnesota - Minnesota Monthly Magazine2013Research Scholar Grant RecipientRadiological Society of North America2010Resident Trainee Research Prize RecipientRadiological Society of North America2010ASCO-NCI-EORTC Molecular Markers in Cancer Annual Meeting, Cancer Foundation Merit AwardAmerican Society of Clinical Oncology2010Breast Cancer Symposium, Cancer Foundation Merit AwardAmerican Society of Clinical Oncology2010Donald Dawson Award for 1st Place in oral competition32nd Annual Southeast Michigan Center for Medical Education Resident Research Forum2010Roentgen Resident/Fellow Research AwardRadiological Society of North America2010Resident Travel AwardNational Comprehensive Cancer Network201040th Annual William Beaumont Hospital Research Forum Institute Resident/Fellow Research Certificate of Achievement for 1st place in oral competition William Beaumont Hospital2009Young Professional AwardInternational Stereotactic Radiosurgery Society2009Travel Grant Award for Breast Cancer Achievement ProgramNorthwestern University2009ARRO Poster Walk SelectionAmerican Society for Radiation Oncology2008Travel Grant AwardKorean-American Society for Therapeutic Radiology and Oncology2005AOAAlpha Omega Alpha Honor Medical Society1996Magna Cum LaudeUniversity of California, San DiegoShow more awards and honorsProfessional memberships2023 - presentMemberProtocol Review and Monitoring Committee (PRMC) - Blue, Mayo Clinic Comprehensive Cancer Center2022 - presentExamination CommitteeAmerican College of Radiology2022 - 2023Review Board MemberASTRO2020 - presentScientific Commitee MemberASTRO2020 - presentResearch Grant Evaluation Committee MemberASTRO2018 - presentConsensus Group PanelSociety of Interventional Oncology / SIR Foundation2018 - presentConsensus Group PanelSociety of Interventional Radiology, Vascular Quality Initiative (VQI), Society for Vascular Surgery, Patient Safety Organization (SVS, PSO)2016 - presentPhysician MemberMayo Clinic Cancer Quality Program Executive Committee2016 - presentPhysician AdvisorChristian Medical and Dental Association (CMDA) Local Chapter, Leadership Committee2016 - presentPhysician AdvisorBrachytherapy dSOP Committee, Department of Radiation Oncology2016 - presentCancer Quality Committee2015 - presentPhysician AdvisorBreast Cancer Working Group, Department of Radiation Oncology2015 - presentPhysician MemberMelanoma Specialty Council, Department of Dermatology2014 - 2015Physician MemberBreast Specialty Council, Mayo Clinic Specialty Council, Mayo Clinic Clinical Practice Committee2014Physician LeadMICS Implementation Coordination Group, Mayo Integrated Clinical Systems Subcommittee, Mayo Clinic Rochester Committees2014 - presentPhysician AdvisorProton Beam Therapy Program - Patient Data Flow, Department of Radiation Oncology2014 - presentPhysician MemberProton Spine SBRT Committee, Department of Radiation Oncology2013 - presentPhysician AdvisorBrachytherapy Working Group, Department of Radiation Oncology2013 - presentMemberClinical Practice Committee, Department of Radiation Oncology2013 - presentChairQuality Performance Improvement Committee, Department of Radiation Oncology2013 - presentReviewerCommission on Accreditation of Medical Physics Educational Programs2013 - presentPhysician ReviewerCommission on Accreditation of Medical Physics Educational Programs2011 - presentMemberRadiological Society of North America2011 - presentMemberAmerican College of Radiology2011 - presentMemberKorean American Society for Therapeutic Radiology and Oncology2007 - presentMemberAmerican Society of Therapeutic Radiation Oncology2007 - presentMemberAmerican Society of Clinical Oncology2007 - presentMemberAmerican Brachytherapy SocietyShow more professional membershipsPublicationsSee my publicationsResearch activitiesSee a description of research activities. Procedures performedInterestsMayo Clinic locationsEducationActivities and honors Request an appointment PST-20226467 Doctors & Medical Staff Park, Sean S. M.D., Ph.D.