Dr. John Hutto

Mark J. Krzyston, MD, is a board-certified cardiologist with decades of experience in cardiovascular medicine. He earned his medical degree from St. George's University School of Medicine in Grenada, West Indies, in 1981, following a Bachelor of Science degree from Fairfield University in North Fairfield, Connecticut. He completed his internship, residency, and cardiology fellowship at Mt. Sinai Hospital in Hartford, Connecticut. He is a Fellow of the American College of Cardiology and an active member of several professional organizations, including the American Medical Association, South Carolina Medical Association, Edisto Medical Society, American Heart Association, the American Society of Echocardiography, and the Society for Vascular Ultrasound. Dr. Krzyston is highly rated in 34 conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Hypertension, Coronary Heart Disease, and Dilated Cardiomyopathy (DCM). Dr. Krzyston is currently accepting new patients.

Samuel Van King, MD, is a board-certified cardiologist based in Orangeburg, South Carolina. He specializes in diagnosing and treating cardiovascular diseases, with expertise in cardiac imaging and non-invasive cardiac care. A South Carolina native, Dr. King graduated *summa cum laude* from Wofford College with a Bachelor of Science in Biology and was inducted into Phi Beta Kappa for academic excellence. He earned his medical degree from the University of South Carolina School of Medicine in Columbia and completed his residency in internal medicine and fellowship in cardiovascular disease at Richland Memorial Hospital. Dr. King is an active member of the Society of Cardiovascular Computed Tomography. He also serves in leadership roles within his field, including oversight of cardiac imaging programs and cardiology services. In addition to his clinical work, Dr. King has contributed to published research on advancements in coronary angioplasty and cardiovascular care. Dr. King is highly rated in 24 conditions, according to our data. His clinical expertise encompasses Coronary Heart Disease, Glucocorticoid-Remediable Aldosteronism, Hypertension, Atrial Fibrillation, and Pacemaker Implantation. Dr. King is currently accepting new patients.

George Castro, MD, specializes in Cardiology and is located in Orangeburg, SC. Dr. Castro is highly rated in 19 conditions, according to our data. His clinical expertise encompasses His Bundle Tachycardia, Atrioventricular Nodal Reentrant Tachycardia (AVNRT), Paroxysmal Supraventricular Tachycardia (PSVT), and Arrhythmias. Dr. Castro is currently accepting new patients.