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Internal Medicine in Corvallis, Oregon

Data updated monthly · Last refresh September 2026

128 Internal Medicine providers practice in Corvallis, and 21% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Corvallis

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. Robert Wirth, M.D.
Corvallis, OR · No drug or device payments recorded (2025) · (541) 754-1260
Dr. Robin Mckelvey, MD
Corvallis, OR · No drug or device payments recorded (2025) · (541) 754-1262
Dr. Robin Sharp, MD
Corvallis, OR · No drug or device payments recorded (2025) · (541) 768-5111
Dr. Rong Wang, M.D.
Corvallis, OR · No drug or device payments recorded (2025) · Telehealth · (541) 754-1260
Dr. Ryan Biegler, MD
Corvallis, OR · No drug or device payments recorded (2025) · (541) 768-5111
Dr. Ryan Gienapp, DO
Corvallis, OR · No drug or device payments recorded (2025) · Telehealth · (541) 768-5140
Dr. Ryan Willen, D.O.
Corvallis, OR · No drug or device payments recorded (2025) · (541) 768-4906
Dr. Sally Mangum, D.O.
Corvallis, OR · No drug or device payments recorded (2025) · Telehealth · (541) 768-4906
Dr. Samantha Shah, MD
Corvallis, OR · $83 in drug and device payments (2025) · Telehealth · (541) 768-5140
Dr. Samuel Arnot, DO
Corvallis, OR · No drug or device payments recorded (2025) · (541) 768-5111
Dr. Samuel Muchmore, DO
Corvallis, OR · No drug or device payments recorded (2025) · (541) 768-4906
Dr. Sara Harkness, D.O.
Corvallis, OR · No drug or device payments recorded (2025) · (541) 768-5111
Dr. Sarah Nies, DO
Corvallis, OR · $234 in drug and device payments (2025) · (541) 768-4906
Dr. Sarah Schafer
Corvallis, OR · No drug or device payments recorded (2025) · (541) 768-5111
Dr. Seth Berkowitz, DO
Corvallis, OR · No drug or device payments recorded (2025) · (541) 768-4906
Dr. Shabeg Singh, MD
Corvallis, OR · No drug or device payments recorded (2025) · (541) 757-5111
Dr. Shashank Bathula, DO
Corvallis, OR · No drug or device payments recorded (2025) · Telehealth · (541) 754-1150
Dr. Shristi Nepal, MD
Corvallis, OR · No drug or device payments recorded (2025) · (541) 757-5111
Dr. Shyama Yallapragada, DO
Corvallis, OR · No drug or device payments recorded (2025) · (541) 768-4906
Dr. Stanley Nudelman, M.D.
Corvallis, OR · No drug or device payments recorded (2025) · (541) 768-5140
Dr. Steven Athay, M.D.
Corvallis, OR · No drug or device payments recorded (2025) · (541) 754-1150
Dr. Steven O'neill
Corvallis, OR · No drug or device payments recorded (2025) · (541) 768-5111
Dr. Thamara Magloire, MD
Corvallis, OR · No drug or device payments recorded (2025) · (541) 768-4906
Dr. Thomas Smith, DO
Corvallis, OR · No drug or device payments recorded (2025) · (541) 768-5140
Dr. Tomer Pelleg
Corvallis, OR · $240 in drug and device payments (2025) · Telehealth · (541) 768-1261
Dr. Truman Ray Chun, DO
Corvallis, OR · No drug or device payments recorded (2025) · Telehealth · (541) 768-4906
Dr. Ulrike Guempel, M.D.
Corvallis, OR · No drug or device payments recorded (2025) · (541) 754-1150
Dr. Vukman Soskic, M.D.
Corvallis, OR · No drug or device payments recorded (2025) · (541) 768-5111

Conditions Internal Medicine providers in Corvallis, Oregon commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Internal Medicine providers are in Corvallis, Oregon?

There are 128 Internal Medicine providers with active NPI records practicing in Corvallis, according to federal NPPES data refreshed monthly.

How many Internal Medicine providers in Corvallis received drug or device company payments?

27 of 128 (21%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Internal Medicine providers in Corvallis treat?

Internal Medicine providers in Corvallis commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management 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 Corvallis Internal Medicine across Oregon

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.