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. Marian Smith, DOPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 494-8051 Dr. Maria PeilaPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8211 Dr. Marie Louise Dhulst, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 221-0161 Dr. Mari Kai, MDPortland, OR · $21 in drug and device payments (2025) · Telehealth ·
(503) 215-6600 Dr. Marjorie Hrbek, MDPortland, OR · $28 in drug and device payments (2025) · Telehealth ·
(503) 249-8787 Dr. Mark Hollemon, D.O.Portland, OR · No drug or device payments recorded (2025) ·
(503) 224-0817 Dr. Mark Mailhot, MDPortland, OR · $147 in drug and device payments (2025) ·
(314) 888-5233 Dr. Mark Rosenberg, MDPortland, OR · $69 in drug and device payments (2025) ·
(503) 215-6600 Dr. Martha Gerrity, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 220-8262 Dr. Martin Skinner, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 215-9700 Dr. Maryann Conrad, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 972-9809 Dr. Maryanne Chumpia, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 216-2906 Dr. Mary Anne Nidiry, MDPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 216-6600 Dr. Mary Bernstein, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 216-2906 Dr. Mary Fines, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 220-8262 Dr. Maryjoe Rice, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 215-2392 Dr. Mary Meyer, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 226-6678 Dr. Mary O'hearn, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8562 Dr. Mary Pickett, MDPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 494-8562 Dr. Mary Ware, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 988-3674 Dr. Mason Paas, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 215-2392 Dr. Matt Haley, MDPortland, OR · $141 in drug and device payments (2025) ·
(503) 216-1234 Dr. Matthew Allen, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 215-6600 Dr. Matthew Moritz, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-2621 Dr. Matthew Nguyen, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-2906 Dr. Matthew Nguyen, DOPortland, OR · No drug or device payments recorded (2025) ·
(503) 215-6600 Dr. Matthew Sheinin, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(541) 520-8216 Dr. Matthew Staropoli, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-2906 Dr. Matthew Zukowski, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 245-3981 Dr. Maung Myint, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 285-9321 Dr. Maureen Lyons, MDPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 494-8562 Dr. Max Grishkevich, MDPortland, OR · $82 in drug and device payments (2025) ·
(503) 661-3439 Dr. Max Rusek, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 220-8262 Dr. Maysee Salleva, M.D.Portland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 216-2906 Dr. Meei Choong, MDPortland, OR · $129 in drug and device payments (2025) ·
(503) 452-0915 Dr. Meenakshi Vanka, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-9400 Dr. Meera Jain, MDPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 215-6600 Dr. Megan Block, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 215-2392 Dr. Megan Crowe, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8211 Dr. Megan Moody, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 494-8211 Dr. Megan Schermerhorn, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-2906 Dr. Megan Thygesen, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 413-7074 Dr. Meg Devoe, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 228-4533 Dr. Melanie Doak, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 220-8262 Dr. Melanie Sauvain, MDPortland, OR · No drug or device payments recorded (2025) ·
(800) 813-2000 Dr. Melaura Wittemyer, MDPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 292-9560 Dr. Melinda Mantooth, DOPortland, OR · No drug or device payments recorded (2025) ·
(503) 413-8407 Dr. Melinda Muller, MDPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 413-7074 Dr. Melissa Hayden, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 494-8311 Dr. Merrill Ahrens, MDPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 669-3900 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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