Our physicians and staff are committed to providing comprehensive care for children with cardiology conditions and for adults with congenital heart disease, including the highest quality non-invasive cardiovascular testing and treatment available. Our friendly bilingual staff speaks English and Spanish.

Five heart specialists to serve you

Juan Villafañe.Juan Villafañe, MD, has been providing cardiac care in Kentucky since 1986. He is board certified in pediatrics, pediatric cardiology and adult congenital heart disease. Dr. Villafañe received his pediatric cardiology training at the University of Puerto Rico and did a fellowship at the University of Miami, specializing in pediatric cardiology and cardiac electrophysiology. In addition to caring for patients, Dr. Villafañe has authored or co-authored over 40 publications and over 50 abstracts in the medical literature. He has given more than 200 scientific presentations and lectures at local, national and international pediatric cardiology meetings. Dr. Villafañe is fluent in English and Spanish.

Bradley Keller, MD.Bradley Keller, MD, has been providing congenital heart care for over 30 years. He previously directed the Pediatric Cardiology program at the University of Kentucky from 1998-2002 and returned to Kentucky in 2009 as a Professor of Pediatric Cardiology at University of Louisville and Norton Children’s Hospital and director of the Kosair Charities Pediatric Heart Research Program. Dr. Keller is a graduate of the Penn State College of Medicine in Hershey. He completed his pediatric residency at the Johns Hopkins Hospital in Baltimore and his pediatric cardiology fellowship at the University of Rochester School of Medicine in Rochester, New York.

Craig Alexander, MD.Craig Alexander, MD, is fellowship-trained in pediatric cardiology and adult congenital heart disease. He previously practiced at Kosair Charities Pediatrics Center in Louisville where he was an Assistant Professor in the Division of Pediatric Cardiology, Department of Pediatrics, University of Louisville. Dr. Alexander received his MD from the University of Louisville School of Medicine and completed his residency in internal medicine and pediatrics at the University of Kentucky.


Andrea Beaton, MD.Andrea Beaton, MD, is a native of Georgetown, Ky., and a graduate of the University of Louisville School of Medicine. She did her residency at Mount Sinai Hospital in New York, and completed fellowships in cardiology and advanced imaging and research at Children’s National Medical Center in Washington, D.C. Dr. Beaton has a special interest in Global Health and has led extensive research to reduce rheumatic heart disease in sub-Saharan Africa and South America. Dr. Beaton is based at our Louisville clinic location and will continue to travel to Cincinnati to work on her research. In addition to caring for patients in Kentucky, she is continuing her groundbreaking research.

Meagan Peek, MD.Meagan Peek, MD, a Kentucky native, graduated from the University of Louisville School of Medicine and completed her residency there as well. She then completed her pediatric cardiology fellowship at Washington University in St. Louis, Missouri and cared for patients in northeast Ohio for several years. Dr. Peek is seeing patients at our Louisville, Bardstown, Shelbyville, and Elizabethtown clinic locations, and she is developing a fetal cardiology program, working closely with local OB/GYN teams and collaborating with the Fetal Heart Program in Cincinnati. In addition to providing pediatric cardiology care, Dr. Peek is expanding our Fetal Heart Program, working closely with local maternal fetal medicine and OB/GYN providers.