Mark David Siegel, MD

Professor of Medicine (Pulmonary); Program Director, Internal Medicine Traditional Residency Program

Departments & Organizations

Internal Medicine: Diversity Committee | Internal Medicine Clerkship | Pulmonary, Critical Care & Sleep Medicine: Tuberculosis Program; Winchester Chest Center

Palliative and End-of-Life Care Education

Program for Biomedical Ethics

Yale Medicine

Office of Cooperative Research


Dr. Siegel graduated from the Columbia University College of Physicians and Surgeons in 1988 and completed his residency in Internal Medicine at the Hospital of the University of Pennsylvania in 1991. He was a Pulmonary & Critical Care fellow at Yale from 1992-95 and has been a full time Yale faculty member since then. Dr. Siegel is Board Certified in Internal Medicine, Pulmonary Medicine, and Critical Care Medicine. He was previously co-chair of the Hospital Bioethics committee. His major clinical focus is in the Intensive Care unit and he attends in the MICU and on the General Internal Medicine services. Dr. Siegel serves on the Editorial Boards of Critical Care Medicine, Chest, the Annals of the American Thoracic Society, and the American Journal of Medicine. He is the recipient of several teaching awards and has participated in several multi-center trials investigating new therapies for the treatment of critical illness. He currently serves as Program Director of the Yale Traditional Internal Medicine Residency and Course Director of the Internal Medicine Subinternship

Education & Training

MD College of Physicians & Surgeons, Columbia Univ (1988)
Fellow Yale University School of Medicine
Resident Hospital of the University of Pennsylvania
Board Certification AB of Internal Medicine, Internal Medicine (1991, recertified: 2012)

Honors & Recognition

  • Teacher-of-the-Year AwardDepartment of Internal Medicine (2010)

  • Faculty Achievement Award, Clinical CareDepartment of Medicine (2007)

  • Leonard Tow Humanism in Medicine AwardYale University (2006)

  • Teacher-of-the-Year AwardDepartment of Internal Medicine (2005)

  • Teacher-of-the-Year AwardDepartment of Internal Medicine (2000)

  • Howard M. Spiro Faculty Teaching AwardYale Medical School (1999)

Professional Service

  • American Thoracic Society (2009 - 2017) Ethics and Conflict of Interest Committee

  • Yale Medical Group Board of Governors (2009 - 2010) Practice Safety & Quality Committee

  • Yale-New Haven Hospital (2008 - 2011) Organ Donation Committee

  • Yale Medical Group (2002 - 2010) Credentials Committee

  • Yale-New Haven Hospital (1996 - 2017) Bioethics Committee


  • Critical Care San Salvador, El Salvador (2009 - 2009)

    Visiting Professor

  • Critical Care Iran (2004 - 2004)

    Lecture Series, Pulmonary Conference

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Contact Info

Mark David Siegel, MD
Patient Care Locations
Winchester Chest ClinicFitkin Memorial Pavilion
789 Howard Avenue

New Haven, CT 06519
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Yale Pulmonary & Critical Care MedicineYale New Haven Hospital
20 York Street

New Haven, CT 06510
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Mailing Address
Pulmonary, Critical Care & Sleep MedicinePO Box 208057
300 Cedar Street

New Haven, CT 06520-8057

Curriculum Vitae