About Tonya L. Adams, MD

Dr. Tonya Adams is a Board-certificated Gastroenterologist practicing in Fairfax, Virginia. Her clinical areas of interest include Inflammatory Bowel Diseases, Video Capsule Endoscopy and general gastrointestinal disorders. She graduated from The Medical College of Ohio, where she was awarded the Pathology Student Fellow Award and spent a year doing clinical research and teaching medical students. Dr. Adams went on to complete her Internal Medicine Residency at The Johns Hopkins University Medical Center and later completed her Gastroenterology Fellowship at Georgetown Medical Center. During her training, among other accolades, she co-authored a chapter in the highly referenced 'Gastrointestinal and Liver Disease' textbook and was accepted as a Poster Presenter at a National Digestive Disease Week Convention. She also served as the only Trainee Member on the American Society of Gastrointestinal Endoscopy (ASGE) Committee on Membership Training.  

Dr. Adams was the first woman to join the Adult Gastroenterology branch of Gastro Health (Virginia) in 2002 and was named one of Washingtonians "Top Doctors" in Gastroenterology by her peers, after only four years in clinical practice. Since that time, her clinical excellence and community involvement have garnered consecutive year peer acknowledgement by The Washingtonian and other publications in the Washington, DC area. In 2021 alone, she was named a “Top Doctor” by Arlington MagazineNorthern Virginia Magazine, and The Washingtonian Magazine. Dr. Adams was a previous member of the Washington, D.C. Advisory Board of the Crohn’s and Colitis Foundation of America (CCFA), and served in other national leadership roles within the American Society of Gastrointestinal Endoscopy (ASGE), to include Chair of the Diversity Committee and Member of the Health & Public Policy Committee. In this capacity, she has presented to members of Congress on the importance of funding support for colorectal cancer screening, moderated sessions at national Gastroenterology meetings, and continues to be quite active in community education programs. Broadening her leadership roles, Dr. Adams is currently the first woman voted to serve on the Gastro Health Board of Directors and is actively involved on both the Diversity, Equity and Inclusion Counsel and the Gastro Health GI Women's Network Board. In her spare time she enjoys tennis, cooking and spending time with family.  She is notably a lifetime member of Delta Sigma Theta Sorority, Inc.

Conditions & Procedures

  • Abdominal Pain
  • Acid Reflux & GERD
  • Anemia
  • Barrett's Esophagus
  • Colitis
  • Colon Diseases & Polyps
  • Colorectal (Colon) Cancer
  • Constipation
  • Crohn’s & Ulcerative Colitis
  • Diarrhea
  • Diverticulitis
  • Dyspepsia
  • Dysphagia
  • Fecal Incontinence
  • Gastritis
  • Hemorrhoids
  • Hepatitis
  • Indigestion
  • Inflammatory Bowel Disease
  • Irritable Bowel Syndrome
  • Peptic Ulcer Disease
  • Swallowing Disorders
  • Capsule Endoscopy (Pill Cam)
  • Colonoscopy (Screening & Diagnostic)
  • Endoscopic Ultrasound (EUS)
  • Flexible Sigmoidoscopy
  • PEG Placement

Office Locations

Primary Location

Picture of the Fair Oaks Office

Fair Oaks

3700 Joseph Siewick Dr.
Suite 308
Fairfax, VA 22033

Phone: 703-698-8960
Fax: 703-828-0961

Additional Locations


3914 Centreville Rd.
Suite 350
Chantilly, VA 20151

Phone: 703-698-8960
Fax: 703-828-0961



3028 Javier Rd.
Suite 300
Fairfax, VA 22031

Phone: 703-698-8960
Fax: 703-828-0961


Procedure Locations

Having a procedure? It may not always be in the same location where you consulted with your doctor. Check with your doctor to make sure you’re headed to the right place.



University of Toledo College of Medicine


Johns Hopkins University School of Medicine


Georgetown University Hospital

Professional Highlights

  • Chair of the Diversity Committee and Member of the Health & Public Policy Committee
  • Co-authored a chapter in 'Gastrointestinal and Liver Disease' textbook
  • Gastro Health Board of Directors
  • Gastro Health Diversity, Equity and Inclusion Counsel
  • Gastro Health GI Women's Network Board
  • Poster Presenter at a National Digestive Disease Week Convention


Board Certified in Gastroenterology

Awards & Recognitions

  • Arlington Magazine, Top Doctor, 2019, 2021
  • Castle Connolly Top Doctor 
  • Exceptional Women in Medicine, Castle Connolly Top Doctors, 2021, 2023
  • Northern Virginia Magazine, Top Doctor, 2020, 2021
  • Washingtonian Magazine, Top Doctor, 2018, 2019, 2020, 2021, 2022

Professional Memberships

  • American Gastroenterological Association
  • American Society of Gastrointestinal Endoscopy
  • Delta Sigma Theta Sorority, Inc.
  • Medical Society of Northern Virginia


Press Release

Healthcare Professional VIP Colonoscopy Day

Calling all physicians, healthcare providers and healthcare staff members in Northern Virginia! Please join us for our annual Healthcare Professionals VIP Colonoscopy Day on Saturday, March 5, 2022

Press Release

Fairfax Care Center Doctors Earn Washingtonian Magazine Top Doctor Recognition-2020

Congratulations to our Fairfax Care Center Physicians recognized by their peers as Washingtonian Top Doctors -2020! Look for our ad in the November Issue of Washingtonian Magazine.

Patient Care

Colon Cancer on the Rise in Young People

While the rate of colon cancer is declining for adults 65 and older, the U.S. – and other countries throughout the world – are experiencing a sharp rise in the disease in young and middle-aged adults.