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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. John Byrne:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. John Byrne is Excellent. Dr. Byrne has been reviewed by 4 patients who have provided 1 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. John Byrne, MD is board certified in Thoracic Surgery (Cardiothoracic Vascular Surgery).

  • He has special expertise in 28 areas:
  • Aortic Aneurysm
  • Aortic Diseases
  • Aortic Valve Insufficiency
  • Aortic Valve Stenosis
  • Bacterial Endocarditis
  • Blood Vessel Prosthesis Implantation
  • Cardiac Surgical Procedures
  • Cardiogenic Shock
  • Cardiopulmonary Bypass (CPB)
  • Coronary Artery Angioplasty & Stent
  • Coronary Artery Bypass (Heart Bypass)
  • Coronary Artery Disease (CAD)
  • Coronary Disease
  • Coronary Vessel Anomalies
  • Endocarditis
  • Heart Disease (Myocardial Ischemia)
  • Heart Transplantation
  • Heart Valve Diseases
  • Heart Valve Prosthesis Implantation
  • Intraoperative Complications
  • > Show all expertise

Education & Awards

Dr. Byrne graduated from Boston University . He has 10 awards.

One of America's Leading Experts on:
Aortic Valve Insufficiency
Cardiopulmonary Bypass
Coronary Artery Bypass
Heart Transplantation
Heart Valve Diseases
Heart Valve Prosthesis Implantation
Minimally Invasive Surgical Procedures
Mitral Valve Insufficiency
Myocardial Ischemia
Castle Connolly America's Top Doctors® (2009, 2012 - 2015)


Dr. Byrne has 7 hospital affiliations:

  • Vanderbilt University Hospital 
  • Maury Regional Medical Center 

> > > > Dr. John Byrne, MD

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Additional Information
Dr. John Byrne MD is a male Cardiothoracic Surgeon, has 24 years of experience and practices in Thoracic Surgery and Cardiothoracic Vascular Surgery.
Where does Dr. John Byrne practice?
Dr. John Byrne has 1 office location.
Dr. John Byrne practices Thoracic Surgery and Cardiothoracic Vascular Surgery near Nashville, TN.
See Nashville Surgeons.