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8095 Innovation Park Drive, Fairfax, VA 22031


Michael J Weyant, MD

A member of Inova Medical Group
The doctors of Inova Medical Group are Inova’s premier primary care and specialty physicians, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records.
Michael Weyant, MD


Board-certified specialties granted by an ABMS Member Board. Learn more about board certification.
Thoracic and Cardiac Surgery, Surgery

Clinical Interest

Areas of special interest identified by the physician or additional training completed.
Esophageal Cancer, Hiatal hernia repair, Lung sparing lung cancer surgery, Mediastinal tumors, Reflux surgery

Years of Experience





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About Michael Weyant, MD

Dr. Michael Weyant is a specialty care physician board certified in thoracic surgery and general surgery. He joined Inova Health System as the system-wide director of the thoracic surgery program in 2021.  He has been practicing since 1996.

Prior to joining Inova, Dr. Weyant was a thoracic surgeon and professor of surgery at the University of Colorado where he practiced for more than 15 years.  Dr. Weyant has a significant interest in robotic minimally invasive thoracic surgery.

Dr. Weyant’s areas of expertise include: robotic minimally invasive lung cancer and thoracic surgery, surgery for lung cancer and esophageal cancers, chest wall lesions, esophogeal motility disorders, surgical treatment of gastroesophageal reflux disease, surgical management of diaphragm paralysis, airway disorders including tracheobronchial malacia and tracheal stenosis, surgical treatment of myasthenia gravis, mediastinal tumor surgery, and minimally invasive thoracic surgery. 


  • Member, American Association for Thoracic Surgery
  • Member, Society of Thoracic Surgeons
  • Fellow, American College of Chest Physicians    
  • Fellow, American College of Surgeons
  • Member, International Association for the Study of Lung Cancer
  • Member, Society for Surgery of the Alimentary Tract    
  • Member, General Thoracic Surgical Club    
  • Member, Western Thoracic Surgical Association    
  • Member, American Association for Cancer Research
  • Top Doctors, Washingtonian, 2022

Blog Posts

New Lung Cancer Screening Guidelines Could Save Thousands of Lives. May 2021.

Research and Publications

View list of publications from Dr. Weyant's research


Medical Education

Mount Sinai School of Medicine 1996


NewYork-Presbyterian Weill Cornell Center
Training Specialty: General Surgery
07/01/1996 - 06/30/2003


Memorial Sloan Kettering Cancer Center
Training Specialty: Thoracic Surgery
07/01/2003 - 06/30/2005

Board Certification

Thoracic and Cardiac Surgery, Surgery

Hospital Affiliation

Patient Reviews

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Inova Provider Referral Services

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This Find a Doctor referral service is sponsored by Inova. It includes Inova employed providers (indicated by “A Member of Inova Medical Group”) and independent practitioners who have obtained the appropriate medical staff privileges at an Inova facility or care site. Independent practitioners are not Inova employees, agents or representatives of Inova and are solely responsible for their provision of medical care to you.

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