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Gastroenterology in Springfield, Oregon

Data updated monthly · Last refresh September 2026

21 Gastroenterology providers practice in Springfield. Listings are drawn from federal public records and are not endorsements.

Gastroenterology providers in Springfield

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. Abhinav Tiwari, MD
Springfield, OR · $152 in drug and device payments (2025) · Telehealth · (541) 222-6200
Dr. Christianne Kratka, MD
Springfield, OR · No drug or device payments recorded (2025) · (541) 868-9500
Dr. Craig Chamberlain, MD
Springfield, OR · No drug or device payments recorded (2025) · (541) 868-9500
Dr. Daniel Phillips, MD
Springfield, OR · No drug or device payments recorded (2025) · (541) 868-9500
Dr. Davis Sim, MD PHD
Springfield, OR · $14 in drug and device payments (2025) · Telehealth · (541) 868-9506
Dr. Donald Yang, MD
Springfield, OR · $307 in drug and device payments (2025) · Telehealth · (541) 868-9500
Dr. Erica Donnan, MD
Springfield, OR · $32 in drug and device payments (2025) · Telehealth · (541) 868-9500
Dr. Gregory Knecht, MD
Springfield, OR · No drug or device payments recorded (2025) · (541) 868-9500
Dr. Harry Park, MD
Springfield, OR · $2,431 in drug and device payments (2025) · (541) 228-3330
Dr. Jonathan Gonenne, MD
Springfield, OR · $178 in drug and device payments (2025) · Telehealth · (541) 868-9500
Dr. Jubeen Moaven, MD
Springfield, OR · $79 in drug and device payments (2025) · Telehealth · (541) 868-9500
Dr. Khola Qamar, M.D.
Springfield, OR · $817 in drug and device payments (2025) · (541) 345-2205
Dr. M. Mirhej, M.D.
Springfield, OR · No drug or device payments recorded (2025) · (541) 222-6200
Dr. Nathan Holman, MD
Springfield, OR · No drug or device payments recorded (2025) · Telehealth · (541) 868-9500
Dr. Paul Evans, M.D.
Springfield, OR · No drug or device payments recorded (2025) · (541) 222-6200
Dr. Peter Grubel, MD
Springfield, OR · $54 in drug and device payments (2025) · (541) 222-6389
Dr. Peter Kay, MD
Springfield, OR · $211 in drug and device payments (2025) · Telehealth · (541) 868-9500
Dr. Ryan De Lee, MD
Springfield, OR · $35 in drug and device payments (2025) · Telehealth · (541) 868-9500
Dr. Shane Mills, MD
Springfield, OR · $120 in drug and device payments (2025) · Telehealth · (541) 868-9500
Dr. Terrence Lee, MD
Springfield, OR · $81 in drug and device payments (2025) · Telehealth · (541) 868-9500
Dr. William Wu, MD
Springfield, OR · No drug or device payments recorded (2025) · (541) 868-9500

Conditions Gastroenterology providers in Springfield, 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 Springfield, Oregon?

There are 21 Gastroenterology providers with active NPI records practicing in Springfield, according to federal NPPES data refreshed monthly.

What conditions do Gastroenterology providers in Springfield treat?

Gastroenterology providers in Springfield 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 Springfield 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.