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John Macoviak





John Macoviak is an author of 50 medicine and surgery peer-reviewed publications and over 100 related internet publications. Dr. Macoviak has been a member of the medical community for four decades. 

John Macoviak MD has 31 years of formal education, including 8 years at Georgetown University earning a bachelor’s degree in Biology and Philosophy graduating Cum Laude. Dr. Macoviak then earned an MD Degree graduating Magna Cum Laude there as well. 

John A. Macoviak has been on faculty at Georgetown, the University of Pennsylvania, Stanford, Harvard and Mayo Clinic. He has had experience in the worlds of medical research and heart surgery. His accomplishments include being the lead inventor on over 55 issued US patents, having over 2,000 patent citations by other authors and inventors.

John Macoviak performed the first-ever heart transplant in Washington, D.C. and the second ever Heartmate left ventricular assist device implant in the United States. 

Dr. Macoviak, then performed the first heart transplant done in conjunction with pancreas transplant surgeons Jimmy Light MD and Hans W. Sollinger MD PhD, who performed a pancreas transplant in the same combined heart-pancreas transplant patient. This patient was a world-renowned scientist who had severe diabetes in the Washington D.C. area. It is important to note that the heart in the heart-pancreas transplant patient functioned normally after the procedure.

As such, diabetes has been and remains a primary interest of Dr. John A. Macoviak throughout his career.


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Dr. Macoviak spent his first six of nine residency years working in General Surgery at the Hospital of the University of Pennsylvania. Once he completed his term in Philadelphia, John spent another three of nine years working at Stanford University as Resident of Cardiothoracic Surgery and Transplantation.

John Macoviak decided he wanted to teach and spent several years as an educator for several prominent institutions. He spent time at his Alma Mater, Georgetown, as the Assistant Professor of Cardiothoracic Surgery in the School of Medicine. This opportunity made it possible for him to become the pioneer of heart transplants in the city of Washington D.C. area. During his time in Washington, Dr. Macoviak was the only cardiac transplant specialist and he personally performed 30 transplants. Dr. John Macoviak then transferred to Harvard Medical School where he worked as an Associate Professor and the Surgical Director of Heart Transplantation for the Cardiothoracic Surgery department on the medical school campus.

While he thoroughly enjoyed his experiences during these years, his thirst for knowledge led him to pursue further education. He then graduated from the University of California in Irvine with an M.B.A. 

In addition to all of his other abilities and interests, Dr. Macoviak is deeply intrigued by medical technology and innovation. 

John Macoviak has received several honors throughout his career including Research Resident of the Year, by the Association of Academic Surgery and the Fellowship Research Grant Award from the American College of Chest Physicians.

On this website, Dr. Macoviak will share content related to modern health technologies, as well as other trends in the medical field.

Recent Blogs

Steps for Preventing Diabetes

Steps for Preventing Diabetes

Type 2 diabetes has become increasingly more common among adults, and now with the rise in childhood obesity, that increase has spread to children. Diabetes is a chronic disease which left untreated, can cause serious health complications and even be fatal. This is...