DepartmentsRadiation OncologySpecialty GroupsHead and Neck Cancer CenterLung Cancer ProgramLocationRochester, MinnesotaLanguagesEnglishExisting patientsSend a secure message via patient portal Conditions treatedBreast cancerHead and neck cancerLung cancerProstate cancer Procedures performedCancer treatmentStereotactic body radiotherapy InterestsHead and neck cancerGastrointestinal cancerBreast cancerProstate cancerLung cancerStereotactic body radiotherapyCancer symptom control Mayo Clinic locations Rochester, Minnesota Driving directions More info Billing & insurance Accessibility services Education2010ResidentRadiation Oncology, Programs in Rochester, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine2010Chief ResidentDepartment of Radiation Oncology, Mayo Clinic College of Medicine2009ResidentDepartment of Radiation Oncology, Mayo Clinic College of Medicine2006ResidentChief Medical Resident, Programs in Rochester, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine2006Chief Medical ResidentDepartment of Internal Medicine, Mayo Clinic College of Medicine2005ResidentInternal Medicine, Programs in Rochester, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine2005Internship/ResidencyMayo Clinic College of Medicine and Science2002MDUniversity of Oklahoma College of Medicine1996Master of DivinityOral Roberts University1993BS - Major-Psychology; Minor-ChemistryOral Roberts University1991AARidgewater CollegeShow more education Activities and honorsCertifications2011Radiation OncologyAmerican Board of Radiology2005Internal MedicineAmerican Board of Internal MedicineAwards and honors2022Top Performer AwardMayo Clinic Rochester2021Top Performer AwardMayo Clinic Rochester2021Mayo Clinic Regional Practice Clinical Provider of the Year AwardMayo Clinic Rochester2020Top Performer AwardMayo Clinic Rochester2012Living the Mission AwardSt. Mary's and St. Vincent Hospitals2005Internal Medicine Outstanding Achievement AwardMayo Clinic, Department of Internal Medicine2003"ACE" AwardMayo Clinic, Department of Internal Medicine2002Robert Montgomery Bird AwardUniversity of Oklahoma College of Medicine2002Class rank in top quartile among graduatesUniversity of Oklahoma College of Medicine2002International Studies Scholarship AwardUniversity of Oklahoma College of Medicine1996Outstanding student/High honorsOral Roberts University1993Summa cum laudeOral Roberts University1989Presidential ScholarRidgewater CollegeShow more awards and honorsProfessional memberships2021 - presentCo-ChairMayo Clinic Heath System-SEMN Region2021 - presentChairNorthfield Hospital2020 - presentMemberSarcoma Disease Group2019 - presentMedical DirectorMayo Clinic Radiation Oncology2018 - presentMemberMayo Clinic Heath System-SEMN Region2015 - presentMemberDepartment of Radiation Oncology Research Committee2015 - presentMemberHead and Neck Disease Oriented Group, Department of Oncology2013 - 2015MemberRadiation Safety Committee, St. Vincent and St. Mary's Hospitals2012 - 2015MemberDepartment of Oncology Committee-Radiation Oncology Representative, St. Vincent and St. Mary's Hospitals2012 - 2015MemberGI Cancer Program Leadership Committee, St. Vincent and St. Mary's Hospitals2012 - 2015MemberBreast Cancer Program Leadership Committee, St. Vincent and St. Mary's Hospitals2011 - 2015MemberRadiation Quality Improvement Committee, St. Vincent and St. Mary's Hospitals2011 - 2014Medical DirectorMedical Director-Radiation Oncology, St. Mary's Hospital2010 - 2012Medical DirectorMedical Director-Radiation Oncology, Holy Family Memorial Hospital2009 - 2010Resident MemberRadiation Oncology Education Committee-Resident Member2007 - 2008MemberResident Member, Radiation Oncology Quality/Performance Improvement Committee2006 - presentPhysicianAmerican Society of Clinical Oncology2006 - presentPhysicianAmerican College of Radiation Oncology2005 - 2006MemberGraduate Education Committee-Internal Medicine2005 - 2006Co-ChairMayo Internal Medicine Residents' Council2003 - 2006CoordinatorInpatient Electronic Note Committee2003 - 2005MemberMayo Internal Medicine Residents' CouncilShow more professional membershipsPublicationsSee my publications Conditions treatedProcedures performedInterestsMayo Clinic locationsEducationActivities and honors Request an appointment PST-20215704 Doctors & Medical Staff Leenstra, James L. M.D.