Gastroenterology in Manassas, Virginia
Data updated monthly · Last refresh September 2026
12 Gastroenterology providers practice in Manassas. Listings are drawn from federal public records and are not endorsements.
Gastroenterology providers in Manassas
Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Anne Giaccio, MDManassas, VA · No drug or device payments recorded (2025) ·
(703) 420-8992 Dr. Arunan Vamadevan, M.D.Manassas, VA · $1,905 in drug and device payments (2025) · Telehealth ·
(434) 295-1000 Dr. Darren Baroni, MDManassas, VA · $1,414 in drug and device payments (2025) · Telehealth ·
(703) 368-6819 Dr. Edward Kim, MDManassas, VA · $763 in drug and device payments (2025) · Telehealth ·
(703) 368-6819 Dr. Jin Park, MDManassas, VA · $840 in drug and device payments (2025) · Telehealth ·
(703) 368-6819 Dr. Mohammad Abidi, MDManassas, VA · $232 in drug and device payments (2025) ·
(703) 369-8000 Dr. Mohammed Razvi, M.D.Manassas, VA · $25 in drug and device payments (2025) · Telehealth ·
(571) 833-7951 Dr. Nina Phatak, MDManassas, VA · $736 in drug and device payments (2025) · Telehealth ·
(703) 368-6819 Dr. Paul Arnold, MDManassas, VA · $296 in drug and device payments (2025) ·
(703) 368-6819 Dr. Rizwan Ahmed, M.D.Manassas, VA · $807 in drug and device payments (2025) · Telehealth ·
(703) 368-6819 Dr. Tinatin O'connell, M.D.Manassas, VA · $267 in drug and device payments (2025) ·
(703) 368-6819 Dr. Tokunbo Ajayi, M.D.Manassas, VA · $499 in drug and device payments (2025) · Telehealth ·
(703) 368-6819 Conditions Gastroenterology providers in Manassas, Virginia commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Gastroenterology providers. Individual practices vary, so confirm with the provider before booking.
- Acid reflux
- IBS
- Crohn disease
- Ulcerative colitis
- Celiac disease
- Colon cancer screening
Common questions
How many Gastroenterology providers are in Manassas, Virginia?There are 12 Gastroenterology providers with active NPI records practicing in Manassas, according to federal NPPES data refreshed monthly.
What conditions do Gastroenterology providers in Manassas treat?Gastroenterology providers in Manassas commonly treat acid reflux, IBS, Crohn disease, ulcerative colitis, celiac disease and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
All specialties in Manassas Gastroenterology across Virginia