Gastroenterology in Tualatin, Oregon
Data updated monthly · Last refresh September 2026
18 Gastroenterology providers practice in Tualatin. Listings are drawn from federal public records and are not endorsements.
Gastroenterology providers in Tualatin
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. Amelie Tiritilli, MDTualatin, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 692-3750 Dr. Anantnoor Brar, MDTualatin, OR · $136 in drug and device payments (2025) · Telehealth ·
(503) 692-3750 Dr. Erik Vankleek, MDTualatin, OR · $29 in drug and device payments (2025) · Telehealth ·
(503) 692-3750 Dr. Jeffrey Douglass, MDTualatin, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 692-3750 Dr. Jeffrey Duman, MDTualatin, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 692-3750 Dr. Jessica Haraga, MDTualatin, OR · $29 in drug and device payments (2025) · Telehealth ·
(503) 692-3750 Dr. Justine Hum, MDTualatin, OR · $171 in drug and device payments (2025) · Telehealth ·
(503) 692-3750 Dr. Karl Kim, MDTualatin, OR · $29 in drug and device payments (2025) · Telehealth ·
(503) 692-3750 Dr. Mark Cahill, MDTualatin, OR · $29 in drug and device payments (2025) · Telehealth ·
(503) 692-3750 Dr. Mark Schiele, MDTualatin, OR · No drug or device payments recorded (2025) ·
(503) 692-3750 Dr. Michelle Beilstein, MDTualatin, OR · $46 in drug and device payments (2025) · Telehealth ·
(503) 692-3750 Dr. Nima Motamedi, M.D.Tualatin, OR · $415 in drug and device payments (2025) · Telehealth ·
(503) 692-3750 Dr. Ronald Lew, MDTualatin, OR · $318 in drug and device payments (2025) · Telehealth ·
(503) 692-3750 Dr. Ryan Childers, M.D.Tualatin, OR · $29 in drug and device payments (2025) · Telehealth ·
(503) 692-3750 Dr. Sarah LeeTualatin, OR · $173 in drug and device payments (2025) · Telehealth ·
(503) 692-3750 Dr. Stephen Chen, M.D.Tualatin, OR · $377 in drug and device payments (2025) · Telehealth ·
(503) 692-3750 Dr. Swapna Reddy, M.D.Tualatin, OR · $54 in drug and device payments (2025) · Telehealth ·
(503) 692-3750 Dr. Wei Wang, MDTualatin, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 692-3750 Conditions Gastroenterology providers in Tualatin, Oregon 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 Tualatin, Oregon?There are 18 Gastroenterology providers with active NPI records practicing in Tualatin, according to federal NPPES data refreshed monthly.
What conditions do Gastroenterology providers in Tualatin treat?Gastroenterology providers in Tualatin 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 Tualatin Gastroenterology across Oregon