Dr. Alisa Thamwiwat

Dr. Geetha Ramaswamy was always inspired by her uncle, who practiced family medicine for more than 40 years. When she decided to attend medical school, she knew early on that she wanted to focus on cardiology because of the ever-evolving nature of the field. Dr. Ramaswamy is an interventional cardiologist with subspecialty board certification in adult echocardiology and nuclear cardiology. She is a Fellow of the American College of Cardiology and has been serving the heart and vascular needs of patients since 2006. After serving North Texas communities for several years, Dr. Ramaswamy spent more than a decade in Northern Arkansas as a trailblazer in the fields of radial interventional cardiology, women’s heart care and heart valve treatments. She returned to the DFW area in 2021 to continue her work in interventional/structural cardiology.Dr. Ramaswamy earned her Bachelor of Medicine and Surgery from Chennai Medical College in India. She completed her internal medicine residency at the University of Louisville in Kentucky. Dr. Ramaswamy completed her clinical cardiology fellowship at Barnes-Jewish Hospital-Washington University School of Medicine in St. Louis, Mo.She is also fellowship trained in advanced nuclear cardiology and interventional cardiology through Yale University School of Medicine in New Haven, Conn.Dr. Ramaswamy is fluent in the Tamil and Hindi languages. When not with her patients, she enjoys meditating and the practice of yoga to strengthen not only her physical being but also for the mental strength and emotional balance they provide. Dr. Ramaswamy is rated as a Distinguished provider by MediFind in the treatment of Angina. Her top areas of expertise are Unstable Angina, Angina, Coronary Heart Disease, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

Dr. James Choi has been caring for Texas hearts since 2004. He is fellowship-trained in interventional cardiology. He is board-certified in internal medicine, cardiovascular disease, nuclear cardiology and interventional cardiology. Dr. Choi's areas of clinical interest and focus include cardiovascular disease in diabetic patients; highly complex cardiology interventions: left main coronary artery and chronic total occlusions; valvular heart interventions; structural heart interventions: ASD/PFO/Left atrial appendage closure; and peripheral vascular disease. He has published numerous articles and conducted clinical research on coronary stent implantation and chronic total occlusions as well as novel renal artery denervation treatment for resistant hypertension.Dr. Choi earned his medical degree from Northwestern University Medical School in Chicago, where he also completed his residency in internal medicine and fellowships in cardiology and interventional cardiology. He is the current medical director of Coronary, Renal and Structural Heart Technologies for the Baylor Research Institute in Dallas. He previously served as an associate professor in the Department of Internal Medicine at the Texas A&M Health Science Center College of Medicine in College Station and as the director of the Interventional Cardiology Fellowship at Baylor University Medical Center in Dallas.Dr. Choi is a Fellow of the American College of Cardiology and Society for Cardiovascular Angiography & Interventions. He currently chairs the DFW AngioClub and is a member of the American Heart Association, Texas Medical Association and Dallas County Medical Association. Dr. Choi has sat on numerous advisory boards, completed clinical research into various devices and cardiovascular procedures, and is active in the Korean-American medical community. Dr. Choi is rated as a Distinguished provider by MediFind in the treatment of Angina. His top areas of expertise are Coronary Heart Disease, Angina, Heart Attack, Percutaneous Coronary Intervention (PCI), and Heart Bypass Surgery.

Ramon Kumar is a Cardiologist and an Interventional Cardiologist in Allen, Texas. Dr. Kumar is rated as a Distinguished provider by MediFind in the treatment of Angina. His top areas of expertise are Familial Ventricular Tachycardia, Inappropriate Sinus Tachycardia (IST), Atrial Fibrillation, Heart Bypass Surgery, and Atherectomy.