Alexander R Marmureanu MD

Summary

• Alexander Marmureanu, MD is a nationally and internationally recognized thoracic and cardiovascular surgeon based in Los Angeles, California. Board-certified in both General Surgery and Thoracic Surgery, Dr. Marmureanu brings over three decades of clinical experience and academic distinction to his practice, with a focus on complex cardiothoracic procedures and minimally invasive techniques.
  
  A graduate of the University of Craiova Faculty of Medicine (1988), Dr. Marmureanu completed his surgical residency and advanced cardiothoracic training at two of the most prestigious medical centers in the country: New York University (NYU) and the University of California, Los Angeles (UCLA). His education and mentorship under world-renowned surgeons at these institutions laid the foundation for a career defined by technical excellence and innovation. He has held attending and faculty positions at several institutions and has played a key role in advancing surgical techniques and perioperative management in high-risk cardiac and pulmonary patients.
  
  Dr. Marmureanu is the founder and Medical Director of the California Heart & Lung Surgery Medical Center, where he leads a multidisciplinary team providing advanced surgical care across Southern California. His clinical interests include mitral and aortic valve surgery, thoracic oncology, cardiac reoperations, and endovascular hybrid procedures.
  
  An accomplished researcher, Dr. Marmureanu has authored peer-reviewed studies in areas such as cardiac sympathetic denervation for refractory arrhythmias, outcomes of heart transplantation in diabetic patients, and congenital anomalies like tracheoesophageal fistula and esophageal atresia. His work has been cited extensively and continues to inform both surgical decision-making and medical education.
  
  He is frequently sought after as a medical-legal expert in high-stakes cases involving surgical complications, cardiopulmonary impairment, and hospital standard-of-care disputes.