Located in California, Dr. John Macoviak's career began in Washington, D.C., where he performed his first-ever heart transplant and the next 30 heart transplant procedures that followed. Dr. Macoviak has performed ground-breaking surgeries, authored over 50 peer-reviewed medical and surgical articles, and acquired over 2,000 patent citations. To learn more, be sure to visit Dr. John Macoviak's website.