Dr. Brett L. Sandifer

Ryan Carrick is an Intensive Care Medicine provider in Atlanta, Georgia. Dr. Carrick is rated as an Advanced provider by MediFind in the treatment of H1N1 Influenza. His top areas of expertise are Lung Metastases, Pneumonia, Chronic Obstructive Pulmonary Disease (COPD), Gastrostomy, and Endoscopy.

James W. Chang, DO, FCCP, received his undergraduate degree from University of California, San Diego. He earned his medical degree from Philadelphia College of Osteopathic Medicine, Georgia Campus. He completed his internal medicine residency at Michigan State University and pulmonary and critical care medicine fellowship at Case Western Reserve University in Cleveland, Ohio. Dr. Chang is board certified in internal medicine, pulmonary disease and critical care medicine. Dr. Chang has presented at national conferences and published in peer-reviewed journals. He is a member of the American Thoracic Society, American College of Chest Physicians and the Society of Critical Care Medicine.Dr. Chang specializes in pulmonary disease and critical care medicine. He has special interests in asthma, COPD, bronchiectasis, lung nodules and lung cancer. He performs advanced bronchoscopy techniques such as endobronchial ultrasound (EBUS) and electromagnetic navigation bronchoscopy. He provides intensive care unit coverage and pulmonary consultations at Piedmont Atlanta Hospital.In his spare time, Dr. Chang enjoys spending time with his family, traveling and sports.Dr. Chang welcomes new patients and accepts most insurance plans.Please note that Dr. Chang does not specialize in sleep medicine. Dr. Chang is rated as an Advanced provider by MediFind in the treatment of H1N1 Influenza. His top areas of expertise are Lung Metastases, Pneumonia, Liver Failure, Bronchogenic Cyst, and Gastrostomy.

Dr. Walker is board certified in internal medicine, pulmonary disease, critical care medicine and pediatrics. He earned his medical degree from West Virginia University. He completed his internship and residency at Virginia Commonwealth University Medical Center, followed by a clinical fellowship at the University of Rochester. Dr. Walker is a fellow of the American College of Chest Physicians and the American Academy of Pediatrics, as well as a member of the American Thoracic Society. He has published numerous scientific articles in peer-reviewed medical journals.Dr. Walker specializes in airway disease, especially bronchiectasis and cystic fibrosis. He is passionate about improving the quality of life in patients with these diseases.In his spare time, Dr. Walker enjoys cooking, traveling, and trying in vain to stay in shape.Dr. Walker welcomes new patients and accepts most insurance plans. Dr. Walker is rated as an Advanced provider by MediFind in the treatment of H1N1 Influenza. His top areas of expertise are Bronchiectasis, Cystic Fibrosis, Lung Metastases, Liver Failure, and Gastrostomy.