Dr. Joseph Barney is Associate Professor of Medicine at the University of Alabama at Birmingham. With the exception of his time at Mercer University School of Medicine, Dr. Barney's entire medical career has been centered around UAB, from his internship in 2000 to his current practice. Dr. Barney has served as critical care transport physician, a volunteer staff physicians in local clinics, and has contributed greatly to the study and treatment of sarcoidosis.