Dr. John Askew, MD

Dr. John Askew, MD

Cardiology  ·  
Male  ·  
43 y/o

Accepting new patients

Dr. John Askew, MD is a cardiology specialist in Rochester, MN and has been practicing for 12 years. He specializes in cardiology.Read his story

Mayo Clinic - Minnesota

200 1st St SW

Rochester, MN 55905
Get Directions

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Minnesota
  • Cigna
  • First Health (Coventry Health Care)
  • Humana
  • MultiPlan

Learn about Dr. Askew

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.


Top Care Areas

See how frequently Dr. Askew performs your care needs compared to other doctors.

Aortic Ectasia
very high
more than 97% of peers
Chest Pain
very high
more than 95% of peers
Heart Disease
very high
more than 92% of peers

Dr. Askew's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

Dr. Askew's bio

This content was provided by Dr. Askew "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."
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Care Philosophy

This content was provided by Dr. Askew "Cardiovascular and cardiothoracic surgeons at Mayo Clinic are part of an integrated, multidisciplinary team of doctors and health care professionals who provide individualized care for each patient. Having all this expertise in a single place, focused on you, means that you're not just getting one opinion — your care is discussed among the team, your test results are available quickly and appointments are scheduled in coordination. Specialists work together to provide exactly the care you need."

1  Specialties

  • Cardiology

1  Board Certifications

  • Cardiovascular Disease
    Accredited by: American Board of Internal Medicine*

52  Conditions Treated

  • Aneurysm
  • Aneurysm of Heart
  • Angina and Acute Coronary Syndrome
  • Aortic Aneurysm
  • Aortic Ectasia
  • Aortic Stenosis
  • Aortic Valve Disease
  • Aortic Valve Regurgitation
  • Arrhythmias
  • Atrial Fibrillation
  • Atrial Flutter
  • Autonomic Disorders
  • Benign Tumor
  • Cardiomegaly
  • Cardiomyopathy
  • Carotid Artery Disease
  • Chest Pain
  • Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
  • Congenital Aortic Valve Disorders
  • Congenital Heart Defects
  • Congenital Heart Disease
  • Congestive Heart Failure
  • Coronary Artery Aneurysm
  • Coronary Artery Disease (CAD)
  • Coronary Artery Dissection
  • Endocarditis
  • Heart Attack (Acute Myocardial Infarction)
  • Heart Disease
  • Heart Murmur
  • Heart Palpitations
  • Heart Tumors, Benign
  • Hyperlipidemia
  • Hypertension
  • Hypertensive Chronic Kidney Disease
  • Hypertensive Heart and Chronic Kidney Disease
  • Hypotension
  • Limb Swelling Caused by Fluid Overload
  • Mitral Valve Disease
  • Mitral Valve Regurgitation
  • Mitral Valve Stenosis
  • Pericardial Disease
  • Peripartum Cardiomyopathy
  • Primary Pulmonary Hypertension
  • Pulmonary Disease
  • Pulmonary Edema
  • Pulmonary Hypertension
  • Pulmonary Valve Disease
  • Septal Defect
  • Syncope
  • Thrombosis
  • Tricuspid Valve Disease
  • Vascular Disease
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Background Check

Malpractice Claims not available

Healthgrades does not collect malpractice information for Minnesota.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • BA University of Missouri, Kansas City
    Undergraduate School | Graduated 1999
  • MD School of Medicine, University of Missouri, Kansas City
    Medical School | Graduated 1999
  • Internal Medicine Residency, Internal Medicine, Programs in Arizona, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine
    Residency Hospital | Completed 2002
  • Cardiovascular Diseases Fellowship, Internal Medicine, Programs in Arizona, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine
    Fellowship Hospital | Completed 2005
  • Advance Cardiac Imaging (Nuclear and Echo) Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine
    Fellowship Hospital | Completed 2006

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
  • DOM Career Development Award, Scholarly Physicians Program, 2011
  • Early Career Investigator Travel Award, Annual Scientific Sessions of the American Heart Association Quality of Care and Outcomes Research, 2013
Media & Publications

Languages Spoken

  • English

Memberships & Professional Affiliations

  • American Heart Walk American Heart Association, Chair
  • Ask Mayo Expert Knowledge and Content Board, Medical Advisor
  • Cardiovascular Executive Committee, Member
  • Ischemic Heart Disease Council, Co-Chairman
  • Mayo Clinic Hospital Unit East Tower 5 Ischemic Service, Director
  • Nuclear Cardiology Laboratory Fellows Education Program, Director
  • Radiation Safety Committee, Chair
  • Radiation Safety Committee, Vice Chair
  • Scientific Program American Society of Nuclear Cardiology, Member
  • SMC Moderization and Growth Task Force Committee, Member
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Dr. Askew's Reviews

Likelihood to recommend Dr. Askew


Based on 2 reviews

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1 Star

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Average Wait Time
  • 10 – 15 minutes
Dr. Askew's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. John Askew, MD
He is Brilliant , great listener, explains diagnosis in very understandable verbage, excellent bedside manners , caring, very knowledgeable, highly well trained in His field , All in all an outstanding Dr.
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