HealthcareDiscovery.AI / Doctors / Oregon / Tualatin / Gastroenterology

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, MD
Tualatin, OR · No drug or device payments recorded (2025) · Telehealth · (503) 692-3750
Dr. Anantnoor Brar, MD
Tualatin, OR · $136 in drug and device payments (2025) · Telehealth · (503) 692-3750
Dr. Erik Vankleek, MD
Tualatin, OR · $29 in drug and device payments (2025) · Telehealth · (503) 692-3750
Dr. Jeffrey Douglass, MD
Tualatin, OR · No drug or device payments recorded (2025) · Telehealth · (503) 692-3750
Dr. Jeffrey Duman, MD
Tualatin, OR · No drug or device payments recorded (2025) · Telehealth · (503) 692-3750
Dr. Jessica Haraga, MD
Tualatin, OR · $29 in drug and device payments (2025) · Telehealth · (503) 692-3750
Dr. Justine Hum, MD
Tualatin, OR · $171 in drug and device payments (2025) · Telehealth · (503) 692-3750
Dr. Karl Kim, MD
Tualatin, OR · $29 in drug and device payments (2025) · Telehealth · (503) 692-3750
Dr. Mark Cahill, MD
Tualatin, OR · $29 in drug and device payments (2025) · Telehealth · (503) 692-3750
Dr. Mark Schiele, MD
Tualatin, OR · No drug or device payments recorded (2025) · (503) 692-3750
Dr. Michelle Beilstein, MD
Tualatin, 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, MD
Tualatin, 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 Lee
Tualatin, 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, MD
Tualatin, 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.

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

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.