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Dr. John Cantwell, MD

Dr. John Cantwell, MD

Age 81 Cardiology M
(15) 15 reviews

Telehealth available

Accepting New Patients


Dr. John Cantwell, MD is a cardiology specialist in Atlanta, GA. Dr. Cantwell completed a residency at Mayo Medical School. He currently practices at Piedmont Heart Institute and is affiliated with Piedmont Hospital. He accepts multiple insurance plans.


  • Emory University Hospital, Fellowship Hospital
  • Univ Of California San Diego Medical Center, Fellowship Hospital
  • Mayo Medical School, Residency Hospital
  • University Of Florida, Internship Hospital

Insurance Accepted

  • Aetna
  • Ambetter
  • Anthem
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Georgia
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)
  • Humana
  • MultiPlan

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Compare with other Cardiology Specialists
Compare Dr. Cantwell with our nearby Cardiology Specialists at Piedmont Healthcare
These providers are on the medical staff of Piedmont Healthcare
These providers are on the medical staff of Piedmont Healthcare.


  1. Piedmont Heart Institute

    1. 1
      PHI of Buckhead
      275 Collier Rd Nw Ste 500, Atlanta, GA 30309 Existing Patients: (404) 605-2800

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Dr. Cantwell is an amazing physician and everything a good doctor should be. He encouraged me to take charge of my health and gave me a plan for doing so. You are in great hands with Dr. Cantwell.
Julie Budnik — Mar 28, 2021
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Dr. John Cantwell, MD
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Frequently Asked Questions

Dr. Cantwell frequently treats Adult Congenital Heart Conditions.  

Find contact information here to make an appointment.

Hospital Affiliations

  • Piedmont Hospital