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Timothy J. Floreth
Clinical Assistant Professor of Medicine (Clinician Educator)
IRD 2020 Zonal Health Sciences Campus Los Angeles


Dr. Floreth is a national expert in the fields of COPD, interstitial lung disease and cystic fibrosis, having worked in one of the busiest advanced lung disease centers in the country. He can provide consultation for general pulmonary or complex pulmonary cases. He also worked in one of the busiest transplant centers in the country and has a special interest in the post-transplant patient.

Dr. Floreth earned his medical degree from Duke University. He then went on to complete two fellowships, the first in Pulmonary and Critical Care, followed by a research fellowship in Lung Transplant Research. Dr. Floreth is currently a member of The International Society for Heart & Lung Transplantation, and American Thoracic Society.


University of Illinois College of Medicine: Craig Summer Research Fellowship, 2000

Duke University: Howard Hughes Research Fellow, 1999

Duke University: Graduated Cum Laude with Distinction in Biology, 1999


Association of soluble HLA-G with acute rejection episodes and early development of bronchiolitis obliterans in lung transplantation. PLoS One. 2014; 9(7):e103643. View in: PubMed

Human leukocyte antigen-G expression in differentiated human airway epithelial cells: lack of modulation by Th2-associated cytokines. Respir Res. 2013; 14:4. View in: PubMed

Conventional and novel approaches to immunosuppression. Clin Chest Med. 2011 Jun; 32(2):265-77. View in: PubMed

Differentiated transplant derived airway epithelial cell cytokine secretion is not regulated by cyclosporine. Respir Res. 2011; 12:44. View in: PubMed

Current trends in immunosuppression for lung transplantation. Semin Respir Crit Care Med. 2010 Apr; 31(2):172-8. View in: PubMed

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