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Remzi Bag, MD

Associate Professor of Medicine

Medical Director, Lung Transplant Program

Remzi Bag, MD, is an expert in rare and advanced pulmonary conditions including pulmonary fibrosis, pulmonary hypertension and lung transplantation.

Dr. Bag’s clinical focus has been providing leading-edge, compassionate, comprehensive care, resulting in exceptional patient outcomes. He has a particular interest in the management of patients with advanced and complex lung diseases. Dr. Bag specializes in:

  • Providing direct care for lung transplant candidates and recipients
  • Optimizing patients who have chronic lung failure
  • Treating pulmonary hypertension and interstitial lung diseases, including idiopathic pulmonary fibrosis, Lymphangiomyomatosis, and langerhans cell histiocytosis

His interests also include:

  • Improving access to lung transplantation for patients with advanced lung failure
  • Educating practicing pulmonologists, pulmonary critical fellows and residents in the management of advanced lung diseases
  • Optimizing outcomes for patients with chronic lung failure and transplantation.

Dr. Bag has contributed significantly to medical literature, publishing numerous peer-reviewed articles and book chapters.

Practice Location

Duchossois Center for Advanced Medicine 
5758 S. Maryland Avenue 
Chicago, IL 60637

Board Certifications

Internal Medicine
Pulmonary Disease
Critical Care Medicine

Medical School

Gulhane School of Medicine


St. Vincent's Hospital and Medical Center, New York, NY (nuclear medicine)
Albert Einstein College of Medicine Bronx, NY (internal medicine)


Baylor College of Medicine Houston, TX (pulmonary and critical care)


American College of Chest Physicians
American College of Physicians
American Society of Transplantation
American Thoracic Society
International Society for Heart and Lung Transplantation
United Network for Organ Sharing (UNOS)

Languages Spoken



Office Phone

(773) 834-7235 (lung transplant)
(773) 702-6049 (pulmonary hypertension)
(773) 702-9660 (advanced lung disease)

Office Fax

(773) 702-6113 (lung transplant)
(773) 834-5684 (pulmonary hypertension)

Office Postal Address

Remzi Bag, MD
The University of Chicago Medicine
5841 S. Maryland Avenue, MC 0999
Chicago, IL 60637

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Clinical Interests

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