Internal Medicine Doctors in Oregon
Data updated monthly · Last refresh October 2026
2,115 Internal Medicine providers practice in Oregon, including 402 (19%) offering telehealth. The largest concentration is in Portland. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
2,115providers
402telehealth
Portlandtop city
Internal Medicine by city in Oregon
Choose a city to see providers there.
Internal Medicine providers in Oregon
Listed by city, largest first. 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. James Koski, MD, MPHCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 737-3106 Dr. James Pierce, DOCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-5111 Dr. James Townsend, D.O.Corvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-5111 Dr. Janel Lawrence, M.D.Corvallis, OR · No drug or device payments recorded (2025) · Telehealth ·
(541) 754-1150 Dr. Janet Landauer, M.D.Corvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-6734 Dr. Janice Peterson, DOCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-4906 Dr. Jefferson Loa, M.D.Corvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-5111 Dr. Jenna Sawatzki, MDCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-4906 Dr. Jennifer Maire, D.O.Corvallis, OR · No drug or device payments recorded (2025) · Telehealth ·
(541) 768-4906 Dr. Jennifer Smits, MDCorvallis, OR · No drug or device payments recorded (2025) · Telehealth ·
(541) 768-5111 Dr. Jeremy Warner, D.O.Corvallis, OR · No drug or device payments recorded (2025) · Telehealth ·
(541) 768-5205 Dr. Jessica Malone, M.D.Corvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-5111 Dr. Jody-leigh Steyn, MDCorvallis, OR · $50 in drug and device payments (2025) · Telehealth ·
(541) 768-5140 Dr. Kalyanii KennedyCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-4906 Dr. Katrina Soriano, M.D.Corvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-5111 Dr. Kayla Fenton, MDCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-5140 Dr. Kaylee CarrCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-4906 Dr. Kien Huynh, M.D.Corvallis, OR · $101 in drug and device payments (2025) ·
(541) 768-5111 Dr. Kristina Nagai, DOCorvallis, OR · $19 in drug and device payments (2025) ·
(541) 768-5140 Dr. Kristy Jessop, M.D.Corvallis, OR · No drug or device payments recorded (2025) · Telehealth ·
(541) 768-5140 Dr. Lakshna Sankar, MDCorvallis, OR · $165 in drug and device payments (2025) · Telehealth ·
(541) 768-6930 Dr. Libor Pavlosek, M.D.Corvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-5111 Dr. Linus Unitan, MDCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-4906 Dr. Lloyd Wiggins, MDCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 757-1822 Dr. Lori Porter, M.D.Corvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-5111 Dr. Luke ArsenaultCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-4906 Dr. Lynn Bentson, M.D, MACPCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-5140 Dr. Marina Arbuck, M.D.Corvallis, OR · No drug or device payments recorded (2025) ·
(541) 754-1262 Dr. Matthew Klug, DOCorvallis, OR · $56 in drug and device payments (2025) ·
(541) 768-4906 Dr. Matthew Szvetecz, M.D.Corvallis, OR · $168 in drug and device payments (2025) · Telehealth ·
(541) 754-1260 Dr. Melanie Jackson, MDCorvallis, OR · $187 in drug and device payments (2025) · Telehealth ·
(541) 768-7900 Dr. Mohammed Layas, M.B.CH.BCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-5111 Dr. Mohan Avula, DOCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-4906 Dr. Nancy GuirguisCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 758-0766 Dr. Naomi Lam, DOCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-4906 Dr. Nicholas Saenger, M.D.Corvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-5111 Dr. Nicolette Rosendahl, DOCorvallis, OR · No drug or device payments recorded (2025) · Telehealth ·
(541) 754-1260 Dr. Olivia Ross, DOCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-4906 Dr. Patrick BottorffCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-4906 Dr. Rebakah Owen-thayer, M.D.Corvallis, OR · No drug or device payments recorded (2025) ·
(541) 737-9355 Dr. Robert Burton, M.D.Corvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-5140 Dr. Robert Davis, MDCorvallis, OR · $1,346 in drug and device payments (2025) · Telehealth ·
(541) 768-4950 Dr. Robert Wirth, M.D.Corvallis, OR · No drug or device payments recorded (2025) ·
(541) 754-1260 Dr. Robin Mckelvey, MDCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 754-1262 Dr. Robin Sharp, MDCorvallis, 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, MDCorvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-5111 Dr. Ryan Gienapp, DOCorvallis, 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 Conditions Internal Medicine providers in 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.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in Oregon?There are 2,115 Internal Medicine providers with active NPI records practicing in Oregon, according to federal NPPES data refreshed monthly.
Do Internal Medicine providers in Oregon offer telehealth?Yes. 402 of the 2,115 Internal Medicine providers in Oregon (about 19%) report offering telehealth services in CMS data.
Which cities in Oregon have the most Internal Medicine providers?Portland (895), Corvallis (128), Clackamas (99) have the highest concentration of Internal Medicine providers in Oregon.
How many Internal Medicine providers in Oregon received drug or device company payments?289 of 2,115 Internal Medicine providers in Oregon (14%) 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 Oregon treat?Internal Medicine providers 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 counts and profiles 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.
Do most Internal Medicine Doctors in Oregon work in independent practices or large health systems?Among 1,132 Internal Medicine Doctors in Oregon enrolled in Medicare, 8% bill through a solo or small practice with fewer than 10 clinicians, 14% through a mid-size group of 10 to 99, and 79% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Internal Medicine Doctors in Oregon work at?According to CMS facility affiliation records, the Oregon hospitals where the most Internal Medicine Doctors hold privileges are Providence St Vincent Medical Center in Portland; Ohsu Hospital and Clinics in Portland; Providence Portland Medical Center in Portland.
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