Dr. Neil N. Phung

David S. Harper, M.D., F.A.C.C. practices general and invasive cardiology with Presbyterian Heart & Vascular Group, and is board-certified in internal medicine and cardiovascular diseases. After receiving his undergraduate degree from Duke University in Durham, N.C., Dr. Harper attended medical school at The University of Texas Southwestern Medical School in Dallas, where he also completed his internship and residency. He then completed his cardiology fellowship at Wake Forest University Baptist Medical Center in Winston-Salem, N.C.Dr. Harper participates actively in the internal medicine teaching program at Texas Health Presbyterian Hospital Dallas, and is a Fellow of the American College of Cardiology. His areas of expertise include preventive cardiology, echocardiography, valvular heart disease, coronary artery disease, nuclear cardiology and heart rhythm management. Dr. Harper and his wife Courtney have four children. Dr. Harper is rated as a Distinguished provider by MediFind in the treatment of Aortic Regurgitation. His top areas of expertise are Aortic Regurgitation, Pediatric Myocarditis, Necrosis, and Atrial Fibrillation.

Jorge Cheirif, M.D., was born and raised in Mexico City. He obtained his medical degree from the National University of Mexico and completed his internship and residency in internal medicine at Baylor College of Medicine in Houston.Cheirif is the director of the non-invasive cardiology lab, medical director of the Hispanic Initiative, and immediate past president and director of the Behavioral Event Review Committee (BERC) at Texas Health Dallas. He also serves as chair of the Heart & Vascular Accreditation Case Manager (HV-ACM) strategy committee. He is board-certified in cardiovascular diseases and internal medicine, focusing on consultative cardiology, echocardiography, CT angiography and cardiac catheterization.Cheirif was on the American Heart Association local affiliate board of directors for two years; has received the Clinician Scientist Award from the American Heart Association; and was named Teacher of the Year by Ochsner Clinic, Texas Health Dallas, and Baylor College of Medicine. In addition, he has been named to Best Doctors in Dallas and Texas Super Doctors for 10 years. Cheirif speaks Spanish, Yiddish and Hebrew, and lives in Dallas with his wife, Heidy. Dr. Cheirif is rated as a Distinguished provider by MediFind in the treatment of Aortic Regurgitation. His top areas of expertise are Pediatric Myocarditis, Necrosis, Aortic Regurgitation, and Mitral Valve Regurgitation.

Matthew Dickson, M.D., Ph.D., F.A.C.C., is fellowship-trained and board-certified in internal medicine, cardiac CT, echocardiography, nuclear cardiology, and cardiology. He graduated Summa Cum Laude from Saint Olaf College in Northfield, Minn., with a bachelor's degree in biology before going on to receive his M.D. and Ph.D. from the University of Iowa Carver College of Medicine in Iowa City. He completed his internal medicine internship and residency at Duke University in Durham, N.C., and fellowships in cardiology and advanced multimodality cardiovascular imaging at The University of Texas Southwestern Medical Center in Dallas.Dr. Dickson's areas of special interest include cardiovascular risks in women after menopause, echocardiography, cardiovascular imaging, ambulatory monitoring and exercise testing. He is a member of the American College of Cardiology, American Society of Nuclear Cardiology, American Society for Preventive Cardiology and North American Society for Cardiovascular Imaging. When not caring for the heart-health needs of his patients, Dr. Dickson enjoys jogging, skiing, scuba diving and playing the trumpet. . Dr. Dickson is rated as a Distinguished provider by MediFind in the treatment of Aortic Regurgitation. His top areas of expertise are Aortic Regurgitation, Pediatric Myocarditis, Necrosis, and Fainting.