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8095 Innovation Park Drive, Fairfax, VA 22031


Timothy L Cannon, 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.
Timothy Cannon, MD


Board-certified specialties granted by an ABMS Member Board. Learn more about board certification.
Medical Oncology, Hematology, Internal Medicine

Clinical Interest

Areas of special interest identified by the physician or additional training completed.
Colorectal Cancer, Esophageal Cancer, Gastrointestinal (GI) Cancer, Liver Cancer, Pancreatic Cancer

Years of Experience





English Mandarin
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About Timothy Cannon, MD

Dr. Timothy Cannon is Sheridan Director, Molecular Tumor Board and Co-Director of the Gastrointestinal Cancer Program at Inova. He is a specialty care physician board certified in medical oncology. He has a special interest in management of gastrointestinal malignancies.

Dr. Cannon is the clinical director and moderator of the weekly molecular tumor board at Inova, which matches patients with targeted therapies based on molecular diagnostics. He is very interested in national cooperative group clinical trials and is a member of the NRG colorectal and non-colorectal clinical trials committee. He is the site principal investigator for multiple clinical trials in immunotherapy.

Dr. Cannon is chair-elect of the steering committee for the TAPUR trial, which is the largest oncology basket trial in North America. He also served as the chief fellow of hematology/oncology at New York University (NYU). Dr. Cannon was voted fellow of the year at NYU during each of his last two years there. He received a "best doctor" award by Northern Virginia magazine in 2015.

A native of New Jersey, Dr. Cannon is married with two sons. His wife, Amy, works for Save the Children. In his spare time, he likes to play sports (particularly soccer, flag football, tennis) and read books. He was a member of two Division I basketball teams (University of Utah as a freshman and then later at Brigham Young University) in the 1990s and continues to be a huge basketball fan. 


  • Assistant Professor, Department of Medicine, Virginia Commonwealth University
  • NYU Chief Fellow of Hematology/Oncology 2010-2011
  • NYU Fellow of the Year 2011
  • NYU Fellow of the Year 2010
  • American Society of Clinical Oncology
  • Top Doctors, Washingtonian, 2020, 2022

Research and Publications

View list of publications from Dr. Cannon's research

Blog Posts

Endurance Sports and Colorectal Cancer: Is There a Connection? (October 2022)

Immunotherapy: Cancer Care Gets Customized (October 2017)

Colon Cancer in Young Adults: Know Your Risk (April 2017)

David Bowie and Liver Cancer: Bringing Awareness to the Disease and Promising New Treatments on the Horizon (January 2016)

Why Us and not the Elephants? (November 2015)

Supplements: Proceed with Caution (August 2015)

Pharmacogenomics: Personalized Medicine in Action (August 2015)

Drugs blocking tumor proteins offer hope for cancer outcomes (June 2015)

Mixed Nuts with Mixed Results (June 2015)


Medical Education

Rutgers Medical School 2005


George Washington University Medical Center
Training Specialty: Internal Medicine
6/23/2005 - 6/30/2008


New York University School of Medicine
Training Specialty: Hematology/Oncology
7/1/2008 - 7/1/2011

Board Certification

Medical Oncology, Hematology, Internal Medicine

Hospital Affiliation

Patient Reviews

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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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