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Johns Hopkins

Johns Hopkins Pediatric

New Cardiac Surgery Faculty


Hamza Aziz, M.D.
Cardiac Surgeon
The Johns Hopkins Hospital 

Hamza Aziz’s clinical expertise includes general cardiac surgery including heart bypass operations,

repair of aneurysmal aortic dilation, valve repair or replacements including transcatheter aortic valve replacement (TAVR) and a variety of other surgical conditions related to the heart. His research interests include genetic causes of abnormal valve development and aortic aneurysm formation. Dr. Aziz has published translational and outcomes research in the fields of cardiac and thoracic surgery. He earned his medical degree from Duke University School of Medicine, completed a residency in general surgery at Duke University Medical Center and completed a fellowship in cardiothoracic surgery at The Johns Hopkins Hospital.



James Gammie, M.D.
Surgical Lead and Co-Director, Johns Hopkins Heart and Vascular Institute
Cardiac Surgeon-in-Chief, Johns Hopkins Health System

James Gammie clinically focuses on mitral valve operations and interventions and is a renowned innovator in the mitral valve arena. In his role as surgical lead of the Heart and Vascular Institute, Dr. Gammie is accountable for growth and quality of cardiac surgical clinical activity as well as the development of disease-focused multidisciplinary high-volume cardiac programs that enable superior outcomes and provide a substrate for discovery and education at The Johns Hopkins Hospital and its affiliated programs. He earned his medical degree from University of Massachusetts Medical School, completed a general surgery residency at University of Pittsburgh School of Medicine and completed a cardiothoracic surgery fellowship at University of Pittsburgh School of Medicine.



Fayyaz Hashmi, M.B.B.S.
Cardiac Surgeon
Cardiothoracic Surgery at Suburban Hospital

Fayyaz Hashmi is a cardiac surgeon whose areas of clinical expertise and interest include off pump coronary artery bypass with multiple arterial grafts, minimally invasive direct coronary artery bypass and hybrid revascularization, minimally invasive single or multiple valve repair and replacement via right mini thoracotomy, minimally invasive ascending aortic surgery, minimally invasive atrial fibrillation surgery, transcatheter aortic valve replacement (TAVR) and general thoracic surgery. He earned his medical degree at King Edward Medical College in Lahore, Pakistan, completed a general surgery residency at St. Francis Hospital and Medical Center and fellowship in cardiovascular and thoracic surgery at University of Kentucky Medical Center.

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