Joseph Zenisek is a Cardiologist and an Interventional Cardiologist in Chattanooga, Tennessee. Dr. Zenisek has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Angina, Coronary Heart Disease, Atherosclerosis, Heart Failure, and Heart Bypass Surgery. Dr. Zenisek is currently accepting new patients.

Dr. Carter Hemphill is board certified in cardiovascular diseases, interventional cardiology, endovascular medicine, nuclear cardiology and internal medicine. Dr. Hemphill completed a fellowship in interventional cardiology at Texas A & M College of Medicine/Scott & White Hospital. He completed his residency in internal medicine and cardiovascular disease fellowship at the University of Texas Health Science Center.Dr. Hemphill received his medical degree from the University of South Carolina School of Medicine and a bachelor’s degree from Columbia University in New York. He previously served as a clinical assistant professor at the University of Tennessee Health Science Center College of Medicine at Chattanooga. Dr. Hemphill is rated as an Advanced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Angina, Atherosclerosis, Coronary Heart Disease, Angioplasty, and Heart Bypass Surgery.

Dr. Craig completed his fellowship in cardiothoracic surgery at Harvard Medical School, training at the Massachusetts General Hospital and Boston Children's Hospital. Previously he completed a fellowship in vascular and endovascular surgery at the University of Tennessee Health Science Center in Memphis where he also completed his general surgery residency and received his medical degree. He completed his undergraduate education at Southern Adventist University in Chattanooga, TN. Dr. Craig previously served as the surgical director of cardiac transplantation and mechanical circulatory support at Baptist Memorial Hospital-Memphis. He is board certified in cardiothoracic surgery and vascular surgery. Dr. Craig is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Thoracic Aortic Aneurysm, Aortic Valve Stenosis, Arterial Embolism, Heart Bypass Surgery, and Patent Foramen Ovale Repair.

Dr. Ledford completed an internship and residency in Internal Medicine at the National Naval Medical Center at Bethesda. Dr. Ledford completed a fellowship in Cardiovascular Disease at the National Naval Medical Center at Bethesda and a fellowship in Interventional Cardiology at William Beaumont Hospital in Royal Oak, MichiganDr. Ledford was the first cardiologist in this region to perform a percutaneous patent foramen ovale (PFO) closure on an adult patient. This implant is less invasive than open heart surgery thereby posing fewer risks to the patient.Dr. Ledford served for 22 years in the United States Navy receiving numerous awards. He has been published in professional journals and has been the principal investigator on several research projects.Dr. Ledford enjoys outdoor activities especially hiking, camping, boating and travel. He loves to share those, especially with the grandkids. Dr. Ledford is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Coronary Heart Disease, Heart Attack, Atherosclerosis, Heart Bypass Surgery, and Cardiac Ablation.

Dr. Aditya Mandawat is board certified in Internal Medicine, in Cardiovascular Diseases and in Interventional Cardiology. He also holds specialized board certifications in Echocardiography and Cardiac MRI. He completed Fellowships in Cardiology, Cardiovascular Diseases Research, Advanced Cardiovascular Imaging and Interventional Cardiology at Duke University Hospital in Durham, NC. Dr. Mandawat completed his internship and residency at Brigham and Women’s Hospital in Boston, MA. He earned a degree in medicine at Case Western Reserve University with clinical rotations at the Cleveland Clinic and earned a Bachelor of Science degree in biomedical engineering from Georgia Tech University. Dr. Mandawat is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Heart Attack, Angina, Coronary Heart Disease, Heart Bypass Surgery, and Percutaneous Coronary Intervention (PCI).

A specialist in peripheral vascular disease, Dr. Brian H. Negus joined The Chattanooga Heart Institute from private practice in Gainesville, Georgia, where he also served as director of the cardiology laboratory at Northeast Georgia Medical Center.He received his doctor of medicine degree from the Medical College of Georgia in Augusta and completed both his internship and residency in internal medicine and cardiology fellowship at Parkland Memorial Hospital in Dallas. He conducted his fellowship in interventional cardiology at the University of Alabama at Birmingham, where he then served as assistant professor of medicine in the interventional cardiology section.Dr. Negus’ work with research has included projects conducted at the Medical College of Georgia and Parkland Memorial as well as at the University of Alabama at Birmingham and Emory University in Atlanta, Georgia.Board certified in internal medicine and cardiovascular diseases, he is a member of the Chattanooga-Hamilton County Medical Society. In addition, he is a fellow in the American College of Cardiology and American Heart Association. Dr. Negus is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Arterial Embolism, Coronary Heart Disease, Carotid Artery Disease, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

Dr. Lehman is board certified in Cardiovascular Disease and specializes in imaging cardiology. He came to Chattanooga Heart from Duke University Health System in Durham, NC. Dr. Lehman completed a fellowship and residency in Cardiovascular Disease at Duke University. He received his medical degree from Duke University School of Medicine and a Master’s of Public Policy, Concentration in Health Policy from Duke University Sanford School of Public Policy. He graduated summa cum laude from Georgetown University with a Bachelor’s of Science, Biology, where he had the highest GPA for all bachelor of science degrees. He served as a congressional aid on Capitol Hill. Dr. Lehman is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Mitral Valve Regurgitation, Aortic Regurgitation, Necrosis, and Arterial Embolism.

Dr. Robert Huang is board certified in Internal Medicine and Cardiovascular Diseases and specializes in interventional cardiology. He completed fellowships in cardiology and interventional cardiology at Vanderbilt University Medical Center where he also earned a Masters of Public Health. He earned his Doctor of Medicine degree at Case Western Reserve University School of Medicine where he also earned a Bachelor of Science in Biomedical Engineering.Dr. Huang served his internal medicine internship and residency at Vanderbilt University Medical Center. He served as Clinical Assistant Professor at the University of Tennessee College of Medicine at Chattanooga. Dr. Huang has practiced cardiology in Chattanooga since 2011 and is the author of numerous professional papers in the field of cardiology. Dr. Huang is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Heart Attack, Angina, Coronary Heart Disease, Heart Bypass Surgery, and Angioplasty.

Dr. William F. Oellerich earned his medical degree from the University of Tennessee at Memphis while concurrently earning a doctorate in philosophy in its Department of Pharmacology. He completed his internship and residency in internal medicine and served as chief resident at Barnes-Jewish Hospital at the Washington University School of Medicine in St. Louis, Missouri. He also completed his fellowship in cardiology at Washington University School of Medicine.Dr. Oellerich is board certified in cardiology and echocardiography. He has had specialized training in nuclear cardiology, diagnostic cardiac catheterization, cardiac magnetic resonance imaging, autonomic pharmacology, cardiovascular pharmacology, and echocardiography. He has been published in the American Journal of Roentgenology, Neuroscience and The Journal of Pharmacology and Experimental Therapeutics.He is the director of the echocardiography lab and CT cardiovascular program at Memorial Hospital. He plays an instrumental part in the ongoing progress of the cardiovascular CT program. He is helping to coordinate the introduction of a valve clinic to The Chattanooga Heart Institute. Dr. Oellerich is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Coronary Heart Disease, Atherosclerosis, Aortic Valve Stenosis, and Angina.

Lisa Carkner is a Cardiologist in Chattanooga, Tennessee. Dr. Carkner is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. Her top areas of expertise are Mitral Valve Regurgitation, Necrosis, Aortic Regurgitation, Coronary Heart Disease, and Pacemaker Implantation. Dr. Carkner is currently accepting new patients.

Dr. William (Bill) Warren is a cardiologist specializing in non-invasive and imaging cardiology. He is board-certified in Internal Medicine, Cardiovascular Disease, Nuclear Cardiology, and Echocardiography. Dr. Warren graduated summa cum laude from Princeton University, earned his Doctor of Medicine degree at Harvard Medical School, completed his internal medicine internship and residency at Massachusetts General Hospital, and finished a cardiology fellowship at Johns Hopkins Hospital. His areas of focus include a wide range of cardiovascular conditions and treatments, with expertise in non-invasive diagnostic studies.Since joining The Chattanooga Heart Institute in 2003, Dr. Warren has become a valued leader at CHI Memorial and in the Chattanooga medical community. He currently serves as managing partner of The Chattanooga Heart Institute, where he collaborates with over 30 colleagues. He previously chaired the CHI Memorial Board of Directors.Dr. Warren possesses a broad range of clinical interests and expertise. His dedication to patient care stems from a deep love of science combined with a genuine ability to connect with patients on a personal level. The complexity and diverse treatment options within cardiovascular care drew him to this field, allowing him to help critically ill patients recover and thrive. He was the recipient of CHI Memorial’s inaugural St. Luke’s Healer’s Heart award which recognizes physicians and providers for demonstrating compassion, inclusion, integrity, excellence and collaboration.Dr. Warren's commitment extends beyond clinical practice. He has conducted research studies which have been published in prestigious journals including the American College of Cardiology Current Journal Review, Circulation, Journal of Infectious Diseases, Journal of Clinical Microbiology, and Journal of Clinical Research.Away from work, Dr. Warren enjoys nature photography and travel. He has visited all seven continents. Dr. Warren is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Coronary Heart Disease, Atherosclerosis, Angina, Pacemaker Implantation, and Heart Bypass Surgery.

Dr. Mark Thel graduated with Distinction from the University of Virginia and cum laude from Georgetown University School of Medicine. At Georgetown, he was president of the Honor Medical Society Alpha Omega Alpha. He served his internship, internal medicine residency, cardiology fellowship, and interventional training at Duke where he was also the Chief Resident in the Department of Medicine. He received the Duke Medical School Davison Society teaching award in 1996.Dr. Thel has published more than 25 papers focusing on clinical trials in interventional cardiology. Dr. Thel participated in the United States Navy Health Professions Scholarship Program and left the Navy in 2000 as a Commander. His duty stations included General Medical Officer for Carrier Air Group Five in Atsugi, Japan, and staff cardiologist at the National Naval Medical Center in Bethesda, MD. Dr. Thel is a Diplomate of the National Board of Medical Examiners and is board certified in internal medicine, cardiology and interventional cardiology. He is a Fellow of the American College of Cardiology. Dr. Thel is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Coronary Heart Disease, Atherosclerosis, Angina, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

Dharmendrakumar Patel is a Cardiologist in Chattanooga, Tennessee. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Long QT Syndrome, Long QT Syndrome 5, Timothy Syndrome, Pacemaker Implantation, and Aortic Valve Replacement.

Jonathan Powell is a Cardiologist in Chattanooga,, Tennessee. Dr. Powell is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Sengers Syndrome, Mitral Valve Regurgitation, Familial Hypertrophic Cardiomyopathy, Heart Failure, and Pacemaker Implantation.

Jeffrey Poynter is a Cardiologist in Chattanooga,, Tennessee. Dr. Poynter is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Aortic Dissection, Cystic Medial Necrosis of Aorta, Aortic Valve Stenosis, Heart Bypass Surgery, and Heart Valve Repair.

Larry Shears is a Cardiologist in Chattanooga,, Tennessee. Dr. Shears is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Supravalvular Aortic Stenosis, Aortic Dissection, Cystic Medial Necrosis of Aorta, Heart Bypass Surgery, and Heart Valve Repair.

James Raulston is a Pediatric Cardiologist in Chattanooga,, Tennessee. Dr. Raulston is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Patent Ductus Arteriosus, Heart Murmurs, Ventricular Septal Defects, and DiGeorge Syndrome.

Vinay Madan is a Cardiologist in Chattanooga, Tennessee. Dr. Madan is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Heart Attack, Angina, Coronary Heart Disease, Heart Bypass Surgery, and Pacemaker Implantation.

Dr. Stephen Monroe earned his medical degree from the University of South Florida College of Medicine at Tampa and completed his internship, internal medicine residency, and cardiology and interventional cardiology fellowships at the University of Florida College of Medicine in Gainesville. He held the position of assistant professor of medicine in the Division of Cardiology at the University of Florida College of Medicine.Dr. Monroe was one of the first cardiologists in this area to perform radial catheterizations. Currently, Dr. Monroe is involved in a number of cardiology research studies either as principal investigator, co-investigator or sub-investigator, or protocol co-author. The studies range from establishing condition-specific treatment guidelines to examining the safety and efficacy of pharmacological treatments. He is also currently participating in ongoing clinical trials.Dr. Monroe has been published in the American Heart Association’s journal, Circulation, as well as in Progress in Cardiovascular Diseases, The Journal of the American College of Cardiology, The Journal of Heart and Lung Transplantation, and The American Heart Journal.|He has co-authored chapters in the books Cardiology and Cardiovascular Therapeutics, A Companion to Braunwald’s Heart 2nd Edition and has presented before the members of the Society for Cardiac Angiography and Interventions. Dr. Monroe is board certified in cardiology and is a member of the Chattanooga-Hamilton County Medical Society.Dr. Monroe is an avid hiker. He and his family enjoy many outdoor activities. Dr. Monroe is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Angina, Coronary Heart Disease, Atherosclerosis, Heart Bypass Surgery, and Advanced Bronchoscopy.

Xiangke Huang is a Cardiologist in Chattanooga, Tennessee. Dr. Huang is rated as an Experienced provider by MediFind in the treatment of Coronary Artery Aneurysm. His top areas of expertise are Heart Attack, Coronary Artery Aneurysm, Congenital Coronary Artery Malformation, and Anomalous Left Coronary Artery from the Pulmonary Artery.