Summary

Dr. John Askew is a cardiologist with expertise in cardiovascular disease and internal medicine. He earned his medical degree from the University of Missouri-Kansas City School of Medicine and has been practicing for 27 years, bringing extensive experience to his specialty care.

Dr. Askew provides services across multiple Mayo Clinic locations in Rochester, Minnesota, including Mayo Clinic Hospital Methodist Campus and Mayo Clinic Hospital Saint Marys Campus. He focuses on treating coronary artery disease and heart conditions that affect blood flow to the heart muscle. His practice includes specialized diagnostic procedures such as stress testing and advanced heart imaging techniques. Patients rate him 4.5 out of 5 stars for his cardiovascular care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.5
  • 27 years of experience
  • University Of Missouri-Kansas City School Of Medicine
  • 2 specialties
  • 16 areas of expertise
  • 2 board certifications
  • 6 hospital affiliations
  • 2 office locations
  • Male

Office Locations

Dr. John W Askew has 2 locations

Mayo Clinic Cardiology

200 1st St SwRochester, MN 55905

Mayo Clinic Rochester

200 1st St SwRochester, MN 55905

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Dr. John W Askew, MDDr. Barbara Ann M MackalskiDr. Conor WatersDr. Darragh Odonoghue
Cardiovascular DiseaseInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients
4.5 
27 Years of Experience 38 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Rochester , MNRochester , MNROCHESTER , MNRochester , MN
Med School: University Of Missouri-Kansas City School Of Medicine Med School: Univ Of Manitoba Fac Of Med
Current Profile
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Insurance Plans Accepted by Dr. John W Askew

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. John W Askew has the following 2 specialties

Specialty Expertise

Dr. John W Askew has the following 16 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Arrhythmia
  • Atherosclerosis
  • Blood Clot
  • Coronary Artery Disease (CAD)
  • Heart Attack
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Cholesterol
  • High Cholesterol (Hypercholesterolemia)
  • Hypertension
  • Internal Medicine
  • Left Ventricular Dysfunction
  • Stroke
  • Unstable Angina

Certifications, License, & Education

27 Years Experience

Dr. John W Askew holds an expired medical license in the state of Minnesota.

Medical License

Medical Doctor with an expired medical license in the state of Minnesota that expired in 2026.

Education & Training

Medical School

Graduated from University Of Missouri-Kansas City School Of Medicine in 1999.

NPI Number

Dr. Askew's NPI number is 1568436632.

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Frequently Asked Questions

Is Dr. John Askew accepting new patients?
Dr. John Askew is accepting new patients on Vitals. View Dr. John Askew's profile on Vitals to make an appointment.
Where is Dr. John Askew's office located?
Dr. John Askew's office is located at 200 1st St Sw, Rochester, MN, 55905.
How can I make an appointment with Dr. John Askew?
You can find contact information for Dr. John Askew here on Vitals.
Does Dr. John Askew accept my insurance?
You can see the insurance plans that Dr. John Askew accepts on their Vitals profile.
Which hospitals is Dr. John Askew affiliated with?
Dr. John Askew is affiliated with Mayo Clinic Hospital Methodist Campus, Mayo Clinic Hospital Saint Marys Campus, Mayo Clinic Health Systems Austin, Allina Health Faribault Medical Center, Olmsted Medical Center, and Mayo Eugenio Litta Childrens Hospital.

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