Dr. John C. Hemphill

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 a Distinguished provider by MediFind in the treatment of Arterial Insufficiency. His top areas of expertise are Heart Attack, Angina, Coronary Heart Disease, Heart Bypass Surgery, and Percutaneous Coronary Intervention (PCI).

Brian Jefferson is an Interventional Cardiologist and a Cardiologist in Manchester, Tennessee. Dr. Jefferson is rated as a Distinguished provider by MediFind in the treatment of Arterial Insufficiency. His top areas of expertise are Coronary Heart Disease, Angina, Inappropriate Sinus Tachycardia (IST), Percutaneous Coronary Intervention (PCI), and Atherectomy. Dr. Jefferson is currently accepting new patients.

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 a Distinguished provider by MediFind in the treatment of Arterial Insufficiency. His top areas of expertise are Arterial Embolism, Coronary Heart Disease, Carotid Artery Disease, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.