Clayton Joel Shamblin, MD

Dan Matthews, MD joined Pulmonary Disease Associates in August 2016. He was born and raised in Jackson, TN. He attended Rice University in Houston, TX for his undergraduate degree and earned a Bachelor of Science in Chemistry. He then moved to Nashville, TN where he earned his medical doctorate at Vanderbilt University. After completing medical school, Dr. Matthews completed his Internal Medicine residency at the University of North Carolina at Chapel Hill. As a resident, he was awarded the Ney Award, the Chairman's Award, and the David A. Ontjes Award, which together reflected his commitment to scholarly excellence and to the delivery of high quality care. After completing residency, Dr. Matthews returned to Vanderbilt University where he completed a postdoctoral fellowship in Pulmonary and Critical Care Medicine. While a fellow, he did translational and clinical research in chronic thromboembolic pulmonary hypertension. Dr. Matthews is board certified in Internal Medicine, Pulmonary Medicine, and Critical Care Medicine. He is a member of the American College of Chest Physicians. He has a special interest in the care of patients with interstitial lung disease and sarcoidosis. He also serves as Medical Director of the Medical Intensive Care Unit at Greenville Memorial Hospital and co-Medical Director of the Pulmonary Rehabilitation program. He is married to Sarah Matthews and has two sons. He enjoys playing tennis, fishing, and spending time with his family.

Manuel Izquierdo, DO, is a pulmonologist with special interests in treating cystic fibrosis and bronchiectasis. Dr. Izquierdo holds a doctor of osteopathic medicine degree from Edward Via College of Osteopathic Medicine. He completed his residency in Internal Medicine/Pediatrics at Vidant Health at East Carolina University and his fellowship at Wake Forest Baptist Medical Center. He is board certified in pulmonary disease and internal medicine from the American Board of Internal Medicine and also in pediatrics from the American Board of Pediatrics. He seeks excellence by putting God and others first.

Margo Toney Lannan, MD, is a healthcare provider located in Greenville, SC, offering a variety of medical services to patients and their families. The organization emphasizes patient engagement through features such as MyChart, which provides access to personal health information and enhances communication with healthcare professionals. In addition to clinical services, the facility is dedicated to community involvement, offering resources such as careers, classes, and events, as well as options for giving and billing. Prisma Health, which oversees the center, prioritizes patient care and adheres to strict privacy policies and nondiscrimination practices. Generated from the website