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John Sirak, MD

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(614) 366-7414

I specialize in:

  • Cardiac Surgery
  • Aortic Valve
  • Aortic Valve Insufficiency
  • Aortic Valve Prolapse
  • Aortic Valve Stenosis
  • Arrhythmias, Cardiac
  • and 20 more


John Sirak, MD, is a cardiothoracic surgeon at The Ohio State University Wexner Medical Center, specializing in cardiac surgery such as minimally invasive valve surgery and arrhythmia surgery. An assistant professor of clinical surgery at Ohio State, Dr. Sirak earned his medical degree from Case Western Reserve University in Cleveland, Ohio. He completed his residency in cardiothoracic surgery and a fellowship in minimally invasive cardiac surgery at The Ohio State University Wexner Medical Center. Dr. Sirak’s research focuses on finding minimally invasive surgical techniques to improve heart surgery outcomes, especially in the area of atrial fibrillation treatment.

More about me:

My Background

Board Certifications

American Board of Surgery

American Board of Thoracic Surgery


Cardiac Surgery
Ohio State University Wexner Medical Center
7/1/2000 - 6/30/2003

University of California- Davis
7/1/1991 - 6/30/1995

Medical Degree

Case Western Reserve University School of Medicine

Additional Languages I Speak
  • Mandarin Chinese
My Department