Dr. James G. Prempeh

Gregory Robertson is a Cardiologist in Johns Creek, Georgia. Dr. Robertson has been practicing medicine for over 46 years and is rated as a Distinguished provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Coronary Heart Disease, Angina, Atherosclerosis, Heart Attack, and Angioplasty.

Dr. Doughan received his medical degree from the American University of Beirut in Lebanon, where he also completed his internship. From Lebanon, he came to Emory University School of Medicine in 2002 to complete his internal medicine residency and cardiology fellowship. Dr. Doughan is board certified by the American Board of Internal Medicine in internal medicine and cardiovascular disease. He is also board certified in Nuclear Cardiology and Cardiovascular Computed Tomography (CT) and Testamur of the National Board of Echocardiography. Dr. Doughan is rated as a Distinguished provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Pulmonary Edema, Heart Failure, and Pacemaker Implantation.

David Tian, M.D., received his medical degree from New York Medical College where he was inducted into the Alpha Omega Alpha medical honor society. He completed his internal medicine residency at Johns Hopkins Hospital and his cardiology fellowship at Boston University Medical Center, where he was chief fellow. Dr. Tian is a board eligible cardiologist, board certified internist and a member of the American Medical Association, American Heart Association and American College of Cardiology. He has specialized training in echocardiography, nuclear, and cardiac MRI. Dr. Tian has a special interest in cardiac research and has multiple publications in various medical journals. Dr. Tian is fluent in English and Mandarin Chinese. His philosophy on medicine has always been about creating an equal partnership between patient and physician. Having been a cardiac patient himself at a very young age, he is very aware of how important it is to not just treat the disease, but to treat the patient. When he is not taking care of patients, Dr. Tian enjoys spending time with his family and his Goldendoodle. Dr. Tian is rated as a Distinguished provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Atrial Fibrillation, Heart Failure with Preserved Ejection Fraction (HFpEF), Atherosclerosis, Angina, and Pacemaker Implantation.