J. Wells Askew, III, M.D.

  1. Cardiologist
  2. Echocardiographer



  1. Rochester, Minnesota



J. Wells Askew, M.D., is a board-certified cardiologist with subspecialty certifications in cardiovascular imaging including nuclear cardiology and echocardiography. He attended University of Missouri Kansas City School of Medicine and obtained specialty training in internal medicine, cardiology, and advance cardiac imaging at Mayo Clinic in Scottsdale, Arizona, and in Rochester, Minnesota.

Areas of clinical expertise include:

  • Management of patients with ischemic heart disease
  • Evaluation and treatment of acute and chronic ischemic heart disease
  • Cardiac imaging selection and interpretation for coronary artery disease assessment
  • Application of nuclear imaging in patients with ischemic heart disease, cardiac amyloidosis, and cardiac sarcoidosis

Dr. Askew has led a number of initiatives at Mayo Clinic, where he served as Vice-Chair and later as Chair of Mayo Clinic Radiation Safety Committee, Medical Director of the Integrated Stress Center, Medical Director of Mayo Clinic Hospital Unit East Tower 5, and Co-Chair of the Ischemic Heart Disease Council.

  1. Coronary artery disease
  2. Ischemic heart disease
  1. Myocardial viability PET stress test
  2. Nuclear stress test
  3. Positron emission tomography scan
  • Nuclear cardiology
  • Positron emission tomography
  • Assessment of myocardial blood flow
  • Value of stress testing in specific patient subsets

Rochester, Minnesota

  1. 2006
    Fellow - Advance Cardiac Imaging (Nuclear and Echo)Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine
  2. 2005
    FellowCardiovascular Diseases Fellowship, Internal Medicine, Programs in Arizona, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine
  3. 2002
    ResidentInternal Medicine Residency, Internal Medicine, Programs in Arizona, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine
  4. 1999
    BAUniversity of Missouri, Kansas City
  5. 1999
    MDSchool of Medicine, University of Missouri, Kansas City


  1. 2006
    Cardiovascular DiseasesAmerican Board of Internal Medicine
  2. 2006
    Nuclear CardiologyCertification Board of Nuclear Cardiology
  3. 2005
    Adult Comp EchocardiographyNational Board of Echocardiography

Awards and honors

  1. 2013
    Early Career Investigator Travel AwardAnnual Scientific Sessions of the American Heart Association Quality of Care and Outcomes Research
  2. 2011
    DOM Career Development AwardScholarly Physicians Program

Professional memberships

  1. 2017 - present
    MemberSMC Moderization and Growth Task Force Committee
  2. 2017 - present
    Medical DirectorMayo Clinic Hospital Unit East Tower 5 Ischemic Service
  3. 2015 - present
    MemberCardiovascular Executive Committee
  4. 2014
    MemberNuclear Cardiology Self Assessment Program, American Society of Nuclear Cardiology
  5. 2014 - present
    ReviewerAsk Mayo Expert Knowledge and Content Board
  6. 2012 - 2013
    Annual Scientific Session, Advanced TrackScientific Program Committee, American Society of Nuclear Cardiology
  7. 2012 - 2014
    ChairRadiation Safety Committee
  8. 2012 - 2013
    MemberJournal of Nuclear Cardiology Continuing Education Program, American Society of Nuclear Cardiology
  9. 2011 - present
    Committee MemberIschemic Heart Disease Council Executive Committee
  10. 2011 - present
    Co-ChairIschemic Heart Disease Council
  11. 2011 - present
    DirectorNuclear Cardiology Laboratory Fellows Education Program
  12. 2011 - present
    MemberAmerican Society of Nuclear Cardiology
  13. 2011 - present
    MemberLeadership Development Committee, American Society of Nuclear Cardiology
  14. 2011 - present
    FellowAmerican Society of Nuclear Cardiology
  15. 2009 - 2011
    Vice ChairRadiation Safety Committee
  16. 2008 - 2014
    MemberRadiation Safety Committee
  17. 2007 - 2008
    ChairAmerican Heart Walk, American Heart Association
    FellowAmerican College of Cardiology
    FellowAmerican Heart Association