About Jeremias C. Tan, MD

Since joining Gastro Health (formerly GANV) in 2006, Dr. Tan has served northern Virginia as an Advanced Endoscopist. He is a leader among leaders, and frequently the first to introduce new therapies that reduce residual health risks for patients. Dr. Tan is uniquely trained to provide ERCP, small bowel capsule endoscopy, and radiofrequency ablation of Barrett’s Esophagus including the BARRX RFA procedure.

Over the past several years, Dr. Tan began to notice an increase in patients suffering from obesity-related GI issues including Gastroesophageal reflux disease (GERD). Left Untreated, GERD can lead to more significant health issues such as Barrett’s Esophagus and Esophageal Cancer. Dr. Tan is one of only a few local physicians trained to utilize the EsophyX device to provide the Transoral Incisionless Fundoplication or TIF Procedure, an effective, non-surgical solution for the treatment of chronic acid reflux. After attending several national conferences, Dr. Tan developed a special interest in the causal relationship between GERD- related disorders and Obesity.

In 2018, Dr. Tan and his colleagues launched Gastro Health (formerly GANV) Health & Wellness Services, a concierge GI program dedicated to assisting patients in reducing their risks of developing more complex health issues such as cardiovascular disease (CVD) and colon cancer. Dr. Tan utilizes advanced technology to offer an array of non-invasive weight loss options including Intragastric Balloons: Obalon / Orbera, Endoscopic Sleeve Gastroplasty (ESG), Aspiration Therapy (AspireAssist), Endoscopic Gastric Bypass Revision (RYGB) and treatment of post-surgical complications such as luminal stenting and endoscopic suturing.

Dr. Tan invites you to schedule a complimentary consultation with a Health & Wellness, Nurse Concierge at 703- 776-1777 or email WeightlossVA@GastroHealth.com to learn more. 

In addition to his oversight of the Health & Wellness Services, clinical care and hospital coverage, Dr. Tan also participates in Grand Rounds at Inova Fairfax Hospital. He has served as Chief Medical Resident and authored multiple articles during his fellowship and has presented at national meetings.

Conditions & Procedures

  • Abdominal Pain
  • Acid Reflux & GERD
  • Anal Fistulas
  • Anemia
  • Barrett's Esophagus
  • Colitis
  • Colon Diseases & Polyps
  • Constipation
  • Diarrhea
  • Diverticulitis
  • Gastritis
  • Hemorrhoids
  • Hepatitis
  • Indigestion
  • Inflammatory Bowel Disease
  • Irritable Bowel Syndrome
  • Obesity
  • Peptic Ulcer Disease
  • Capsule Endoscopy (Pill Cam)
  • Colonoscopy (Screening & Diagnostic)
  • EGD (Upper Endoscopy)
  • Endoscopic Sleeve Gastroplasty (ESG)
  • ERCP & Stents
  • EsoGuard
  • Flexible Sigmoidoscopy
  • Gastric Sleeve Revision
  • PEG Placement
  • Revision of Roux-en-Y Gastric Bypass
  • Stretta
  • TIF Procedure
  • Weight-Loss Gastric Balloons

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.



George Washington University


George Washington University School of Medicine


Lahey Clinic Medical Center

Professional Highlights


Board Certified in Gastroenterology

Board Certified in Internal Medicine

Awards & Recognitions

  • Northern Virginia Magazine, Top Doctor, 2020, 2021
  • Washingtonian, Top Doctor, 2021

Professional Memberships

  • Clinical Assistant Professor, George Washington University Hospital
  • Chief of Gastroenterology at Inova Fair Oaks Hospital
  • Medical Society of Northern Virginia
  • American College of Physicians Gastroenterology Association
  • American College of Gastroenterology
  • American Society of Gastrointestinal Endoscopy


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.