For decades, top US medical centers have generously welcomed physicians from around the world to train and work in their affiliate medical schools and hospitals across the country. The executive orders by President Donald Trump on January 27 and March 6, 2017, banning travel of citizens from specific countries into the United States is threatening the future of the physician workforce and health care delivery in the United States, which depends significantly on international medical graduates.1 For us immigrant cardiologists working at major academic medical centers in the United States, such a ban may be a harbinger of disintegration of the multicultural, multiethnic, open-minded, and plural fabric that has defined American medicine and contributed to its success over the years.