Dr. Jake Alexander Kleinmahon joined the faculty at Ochsner Hospital for Children in 2018. He serves as the medical director of Ochsners pediatric heart transplant, heart failure, and ventricular assist device programs. He also has advanced training in taking care of infants and children with pulmonary hypertension and runs a clinic dedicated to taking care of patients with pulmonary hypertension. Dr. Kleinmahon trained in pediatrics at Tulane University Hospital and Ochsner Hospital for Children before completing fellowships in pediatric cardiology and pediatric heart transplant and heart failure at Childrens Hospital Colorado. While in Colorado, he was awarded the Colorado Chapter of the Pediatric Congenital Heart Association's Doctor of the Year award in 2017. He was also elected to the Alpha Omega Alpha Medical Honor Society as a resident.
Dr. Kleinmahon is active in the International Society for Heart and Lung Transplantation and has been asked to present multiple times at international conferences. He is also active within the Pediatric Heart Transplant Society and works to improve healthcare disparities among different racial groups in pediatric heart transplant recipients. He is the principal investigator of the Pediatric Heart Transplant Study and Advanced Cardiac Therapies Improving Outcomes Network (ACTION) at Ochsner. His interests include taking care of children with cardiomyopathies, myocarditis, connective tissue disorders, heart transplant, pulmonary hypertension, and congenital heart disease.