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. Michael Azorr, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 284-7434 Dr. Michael Bonazzola, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 418-2070 Dr. Michael Bower, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 215-4050 Dr. Michael Carroll, MDPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 215-6405 Dr. Michael Clayton, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 215-2392 Dr. Michael Dellinger, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8562 Dr. Michael Fox, D.O.Portland, OR · No drug or device payments recorded (2025) ·
(503) 413-7711 Dr. Michael Grotting, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 216-1234 Dr. Michael Knapp, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-2906 Dr. Michael Lang, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 494-9000 Dr. Michael Lieberman, M.D.Portland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 494-4383 Dr. Michael Macveigh, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 988-7468 Dr. Michael Mazzotta, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 249-8787 Dr. Michael Moore, M.D.Portland, OR · $103 in drug and device payments (2025) · Telehealth ·
(503) 297-5581 Dr. Michael Northrop, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 413-8407 Dr. Michael Shanahan, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 216-1763 Dr. Michael Silvas, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-2906 Dr. Michael Tangum, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 413-7711 Dr. Michael Tewfik, M.D.Portland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 413-4134 Dr. Michele BabaiePortland, OR · No drug or device payments recorded (2025) ·
(503) 287-4932 Dr. Michelle Beam, MD, MPHPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8211 Dr. Michelle Guitteau, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 215-6600 Dr. Michelle Schoepflin Sanders, M.D.Portland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 216-2621 Dr. Miki Nelson, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8211 Dr. Miles Hassell, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 291-1777 Dr. Minh-thu Duong, D.O.Portland, OR · No drug or device payments recorded (2025) ·
(503) 216-2906 Dr. Molly Tveite, M.D.Portland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 906-5000 Dr. Monica Harris, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 228-3166 Dr. Monica Stickfort, DOPortland, OR · No drug or device payments recorded (2025) ·
(503) 413-8407 Dr. Monica Yoshinaga, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 499-5200 Dr. Mural Nishikawa, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 221-0161 Dr. Myrna Casono, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-9400 Dr. Myung Sun Choi, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-2906 Dr. Nadia Siddiqui, MDPortland, OR · No drug or device payments recorded (2025) ·
(506) 216-2621 Dr. Namrita BoparaiPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-6101 Dr. Nancy Loeb, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-2621 Dr. Nancy Macneal, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 297-3751 Dr. Nancy Moreland, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 215-9900 Dr. Nancy Tsai, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 261-6985 Dr. Nanette Marty, MDPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 418-1800 Dr. Naomi Tsai, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 215-6600 Dr. Narain Kumar, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 257-5833 Dr. Naseem Bains, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 813-3860 Dr. Natalie Bolton, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-2621 Dr. Natalie Freitas, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8211 Dr. Natasha Edwin, M.D.Portland, OR · $1,414 in drug and device payments (2025) · Telehealth ·
(503) 216-6300 Dr. Nathalie Van Havre, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 223-7214 Dr. Nathan Bachtell, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-2906 Dr. Nathaniel Crumet, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-2906 Dr. Nathaniel Edwards, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-2906 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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