Gregory D. Trachiotis
Advanced in Lung Cancer

Dr. Gregory D. Trachiotis

Thoracic Surgery
Johns Hopkins Medicine
GWUMFA At Sibley Multispecialty
Washington, DC 

Advanced in Lung Cancer
Johns Hopkins Medicine
GWUMFA At Sibley Multispecialty
Washington, DC 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Dr. Gregory D. Trachiotis is a thoracic surgeon at Sibley Memorial Hospital, as well as a professor of surgery and chief of cardiothoracic surgery at George Washington University Medical Center. He is also the chief of cardiac surgery at the Veterans Affairs Medical Center. Dr. Trachiotis practices out of MFA CardioThoracic Surgery in Washington, D.C. He is affiliated with Sibley Memorial Hospital, Washington D.C. Veterans Affairs Medical Center and George Washington University Hospital. His clinical interests include end-stage heart and lung disease, video-assisted thoracic surgery, lung cancer, coronary artery disease, aortic valvular disease, mitral valve disorders, off-bypass coronary revascularization, mini-pump technology, surgery for heart failure, mechanical assist devices, esophageal cancer, motility disorders and transcatheter valve replacement. Dr. Trachiotis earned his medical degree from George Washington University School of Medicine, where he went on to complete residencies in cardiovascular and thoracic surgery. He earned the positions of chief resident and instructor of surgery at George Washington University, as well as chief resident of vascular surgery at the Veterans Affairs Medical Center. Dr. Trachiotis also completed a fellowship in heart and lung transplant surgery at Emory University and affiliated hospitals in Atlanta, Ga. Dr. Trachiotis is a fellow of the American College of Surgeons and is a member of various professional organizations, including the American Association for Thoracic Surgery, the Society of Thoracic Surgeons, the International Society of Heart and Lung Transplantation, the American Heart Association Council on Cardiothoracic and Vascular Surgery and the American College of Chest Physicians. Dr. Trachiotis has earned numerous awards, including being named a Top Doctor and Top Cardiothoracic Surgeon by Washingtonian Magazine and a Regional Top Doctor by Castle Connolly. He has also earned the Outstanding Chief of Surgery Resident Award from George Washington University; the Chest Foundation’s American College of Chest Physicians Young Investigator Award; and the Alley-Sheridan Scholar Harvard Health Policy and Secretary of Veterans Health Affairs Hand and Heart Award. Dr. Trachiotis has contributed to numerous clinical trials, publications and presentations. He runs a cardiothoracic surgery clinical research program for surgical residents from Georgetown University and George Washington University. Dr. Trachiotis' research interests include outcome analysis utilizing cardiac imaging for identifying prognostic risk factors in cardiac surgery; AIDS-related thoracic and cardiac disease; cardiovascular disease in sleep apnea and right heart dysfunction; donor heart and lung preservation; imaging and revascularization for LV dysfunction and valvular heart surgery; and cancer and tumor markers in esophageal and lung cancer.

Dr. Trachiotis is rated as an Advanced provider by MediFind in the treatment of Lung Cancer. His top areas of expertise are Lung Cancer, Pleuropulmonary Blastoma, Non-Small Cell Lung Cancer (NSCLC), Coronary Artery Bypass Graft (CABG), and Heart Bypass Surgery.

His clinical research consists of co-authoring 76 peer reviewed articles. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 9 articles in the study of Lung Cancer.

Residency
George Washington University Hospital, Cardiothoracic Surgery, 1996
Specialties
Thoracic Surgery
Licenses
Thoracic Surgery (Cardiothoracic Vascular Surgery) in DC
Board Certifications
American Board Of Thoracic Surgery
Fellowships
Emory University School of Medicine, Transplant Surgery, 1998
Barnes-Jewish Hospital/Washington University, Transplant Surgery, 1992
Hospital Affiliations
George Washington Univ Hospital
Sibley Memorial Hospital
Languages Spoken
English
Spanish
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Independent Health
  • EPO
  • POS
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO

Locations

GWUMFA at Sibley Multispecialty
Suite 6B, Washington, DC 20037
Call: 202-741-3220

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


76 Total Publications

Cholinergic suppression of HR acceleration during intrinsic optogenetic activation of sympathetic cardiac neurons in perfused hearts.
Cholinergic suppression of HR acceleration during intrinsic optogenetic activation of sympathetic cardiac neurons in perfused hearts.
Journal: American journal of physiology. Heart and circulatory physiology
Published: October 24, 2025
View All 76 Publications
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Areas of Expertise

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    • Distinguished
    • Coronary Artery Bypass Graft (CABG)
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      Distinguished
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    • Heart Bypass Surgery
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    • Advanced
    • Collapsed Lung
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    • Lung Cancer
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    • Non-Small Cell Lung Cancer (NSCLC)
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      Advanced
      . Learn about Non-Small Cell Lung Cancer (NSCLC).
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    • Pleuropulmonary Blastoma
      Dr. Trachiotis is
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    • Experienced
    • ALK-Positive Non-Small Cell Lung Cancer
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    • Aortic Dissection
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    • Aortic Regurgitation
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    • Aortic Valve Replacement
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    • Aortic Valve Stenosis
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    • EGFR Positive Lung Cancer
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