Dr. Guneet Van De Graaff

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.

Joseph Ortenberg, M.D., was born and raised in Pittsburgh, Pa. He graduated cum laude with a Bachelor of Science in biomedical engineering and mathematics from Vanderbilt University in Nashville. His medical education was completed at Tulane University School of Medicine in New Orleans, where he was a member of the Alpha Omega Alpha medical honor society. He trained in internal medicine at The University of Texas Southwestern Medical School in Dallas, and then completed his fellowship in cardiovascular disease at the University of Pittsburgh Medical Center.Ortenberg is the recipient of numerous local awards, including Top Docs and Healthcare Heroes.His clinical interests include general cardiology and advanced cardiac imaging. He is board-certified in internal medicine and cardiovascular disease and is a Fellow of the American College of Cardiology. Dr. Ortenberg is rated as a Distinguished provider by MediFind in the treatment of Aortic Regurgitation. His top areas of expertise are Aortic Regurgitation, Pediatric Myocarditis, Dilated Cardiomyopathy (DCM), Pacemaker Implantation, and Cardiac Ablation.

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.