Dr. Stuart J. Simon

Brion J. Lock, M.D., graduated with a bachelor of arts degree from Kalamazoo College in Kalamazoo, Mich. He earned his medical degree from Wayne State University School of Medicine in Detroit, Mich. He completed his residency in internal medicine at the University of Alabama at Birmingham. Dr. Lock was chosen to serve as chief resident for one year after completion of his internal medicine residency in 2002. He stayed at UAB to complete his pulmonary and critical care fellowship and served as chief fellow during his final year of training.Dr. Lock is described as hard working and passionate about the practice of medicine. His colleagues consider him to be very energetic and industrious with regard to patient care. Prior to joining Piedmont Physicians, Dr. Lock was in practice with Georgia Lung Associates for 7 years. Dr. Lock is board certified in critical care and pulmonary disease, and specializes in cough and airways diseases including asthma, COPD, and bronchiectasis.In his spare time, Dr. Lock enjoys sports, cooking, and traveling with his family.Dr. Lock welcomes new patients and accepts most insurance plans. Dr. Lock is rated as a Distinguished provider by MediFind in the treatment of Acquired Tracheomalacia. His top areas of expertise are Chronic Cough, Lung Metastases, Bronchiectasis, Lung Nodules, and Advanced Bronchoscopy.

Timothy Udoji is a Pulmonary Medicine specialist and an Intensive Care Medicine provider in Marietta, Georgia. Dr. Udoji is rated as an Advanced provider by MediFind in the treatment of Acquired Tracheomalacia. His top areas of expertise are Lymphofollicular Hyperplasia, Lung Nodules, Pneumonia, Gastrostomy, and Advanced Bronchoscopy. Dr. Udoji is currently accepting new patients.

Coy Lassiter, M.D., graduated magna cum laude with a bachelor of science in biology from the University of Georgia. He earned his medical degree from Mercer School of Medicine in Macon, Ga. He completed his residency in internal medicine, as well as his pulmonary and critical care fellowship at Emory University School of Medicine. He served as chief resident of internal medicine at Emory University Hospital from 2003 to 2004.Prior to joining Piedmont Physicians, Dr. Lassiter was in practice with Georgia Lung Associates and has been practicing medicine for 13 years. He holds board certifications in critical care medicine, pulmonary disease and internal medicine and has training in advanced bronchoscopy. He prides himself on being a well-rounded physician and maintains special interests in interventional bronchoscopy, lung cancer and pulmonary thromboembolism.Dr. Lassiter is considered to be warm and friendly and his fellow physicians describe him as having a great vision and leadership for the practice of medicine. His patients consider him compassionate to their needs and devoted to excellence in medical practice.Dr. Lassiter welcomes new patients and accepts most insurance plans. Dr. Lassiter is rated as a Distinguished provider by MediFind in the treatment of Acquired Tracheomalacia. His top areas of expertise are Lung Metastases, Bronchiectasis, Chronic Obstructive Pulmonary Disease (COPD), Lung Nodules, and Gastrostomy.