Interventional Cardiology Fellows

John Tanaka, MD

Dr. John Tanaka grew up in Mililani, HI, before attending USC for his undergraduate studies. He completed both his MD and Internal Medicine training at Duke. He is interested in pursuing an academic career in interventional cardiology with a focus on outcomes research in peripheral artery disease. Outside of work, he enjoys golfing, running, and hiking.


Tara Gédéon, MD

Dr. Tara Gédéon was born in Lebanon and raised in Montréal, Canada. She earned her MD at McGill University, where she also completed her training in Internal Medicine and Adult Cardiology. During her  training, she served as Chief Medical Resident.
She has published on myocardial infarction in pregnancy, the utilization of mechanical circulatory support in cardiogenic shock, and the role of combined transcatheter interventions, reflecting her passion for women’s cardiovascular health, acute care, and interventional cardiology.
She is excited to pursue a career in Interventional Cardiology at Stanford University, with a particular focus on coronary microvascular dysfunction and complex coronary interventions. Her research interests center on improving outcomes and procedural efficacy in the cardiac catheterization laboratory. Her current work focuses on developing an AI-assisted platform that integrates real-time coronary physiology and intravascular imaging to provide lesion-specific recommendations for PCI strategy.
Outside of work, Tara is a Zumba instructor, an avid runner, and a baker.


Long-Co Nguyen, MD

Long-Co was born in Urbana, Illinois, and raised in Orange County, California. She completed her undergraduate studies at University of California, Irvine (UCI) with a BS in Biology and a BA in Philosophy. She developed a passion for addressing healthcare disparities in underserved populations and founded a nonprofit organization where she developed long-standing programs increasing access to healthcare both internationally and within immigrant populations in Southern California. She earned her MD from University of California, San Francisco where she also completed fellowships in clinical and translational research and health policy. Subsequently she completed her internal medicine residency at Cedars Sinai Medical Center before returning to UCI for general cardiology fellowship. Her research interests include integrating advancements in artificial intelligence to develop scalable, cost-effective solutions to close care gaps in valvular heart disease. She is dedicated to advancing health equity in Interventional and Structural Cardiology. Outside of career pursuits she loves spending time with her husband and two geriatric cats.