Skip to main content
  • Patient Portal
  • Pay Bill
  • Request Appointment
MCHS_Logo_2024_BLACK
    • Services

      Featured Services

      • Cardiology (Heart)
      • Gastroenterology & Hepatology (Digestive Care)
      • Neurosurgery
      • Obstetrics & Gynecology (OB-GYN)
      • Oncology (Cancer)
      • Orthopedics & Orthopedic Surgery (Bones)
      • Primary Care
      • Spine Care
      • Sports Medicine
      • Surgery
      • Urology

      View all services
    • Providers
    • Locations

      Minnesota

      • Albert Lea
      • Austin
      • Belle Plaine
      • Blooming Prairie
      • Butterfield
      • Caledonia
      • Cannon Falls
      • Fairmont
      • Faribault
      • Lake City
      • Lake Crystal
      • Mankato
      • Montgomery
      • New Prague
      • Northfield
      • Owatonna
      • Plainview
      • Red Wing
      • Sherburn
      • St. James
      • St. Peter
      • Waseca
      • Waterville
      • Wells
      • Zumbrota

      Wisconsin

      • Arcadia
      • Barron
      • Bloomer
      • Chetek
      • Chippewa Falls
      • Eau Claire
      • Ellsworth
      • Glenwood City
      • Holmen
      • La Crosse
      • Menomonie
      • Mondovi
      • Onalaska
      • Osseo
      • Prairie du Chien
      • Rice Lake
      • Sparta
      • Tomah

      View map
    • Classes/Events
    • Blog
    • Wellness
    • Referrals
    John Haley MD

    Recent Posts

    • Person with dark hair looking right
      Speaking of Health
      What should I do if I might be having a heart attack?
      September 29, 2022

    John Haley, M.D.

    Cardiology (Heart)

    Appointment Information

    Fairmont, MN

    Get Directions

    Hospital and Clinic

    800 Medical Center Drive, Fairmont, MN 56031
    Appointments
    Cardiology (Heart) —
    • 507-594-5957

    Mankato, MN

    Get Directions

    Hospital and Clinic

    1025 Marsh St., Mankato, MN 56001
    Appointments
    Cardiology (Heart) —
    • 507-594-5957

    Training & Credentials

    Medical School

    • University of Minnesota Medical School, Twin Cities

    Residency

    • Internal Medicine, Mayo Clinic College of Medicine & Science, Minnesota

    Fellowship

    • Cardiovascular Diseases, Mayo Clinic College of Medicine & Science, Minnesota

    Certifications

    • Adult Comp Echocardiography, National Board of Echocardiography
    • Cardiovascular Diseases, American Board of Internal Medicine

    Memberships

    • American Society of Echocardiography
    • Fellow, American College of Cardiology
    • Minnesota Chapter of the American College of Cardiology

    Academic Appointment

    • Assistant Professor of Medicine, Mayo Clinic College of Medicine and Science

    Special Interests

    • Adult echocardiography
    • Cardiac computed tomography (CT)
    • Noninvasive cardiac imaging
    • Nuclear cardiology

    Research & Publications

    • Dynamic left ventricular outflow tract obstruction in senile cardiac amyloidosis, December 2006
    • Transient constrictive pericarditis: causes and natural history, January 2004
    • Myocardial ischemia on thallium scintigraphy in hypertrophic cardiomyopathy: predictor of sudden cardiac death, September 2001
    • Images in cardiovascular Medicine. Wide-complex tachycardia, August 2009
    • Dynamic left ventricular outflow tract obstruction in acute coronary syndromes: an important cause of new systolic murmur and cardiogenic shock, September 1999

    Find More Providers

    Access the full list of providers
    Mayo Clinic Health System
    About Us
    Careers
    Volunteer
    Donate
    Contact Us
    Patient Care
    Patients & Visitors
    Classes & Events
    Mayo Clinic Connect
    Mayo Clinic
    Resources
    For Medical Professionals
    Community Resources
    Financial Assistance
    Price Transparency
    Press Room
    Compliance
    Notice of Nondiscrimination
    Notice of Privacy Practices
    No Surprises Act
    Terms of Use
    Manage Cookie
    Privacy Policy
    © 2018 - 2025 Mayo Clinic Health System