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. Joel WomackClackamas, OR · No drug or device payments recorded (2025) ·
(503) 571-3025 Dr. John Woo, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 571-3124 Dr. Joseph Kim, MDClackamas, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 659-0880 Dr. Joshua Hollabaugh, MDClackamas, OR · No drug or device payments recorded (2025) ·
(971) 710-8240 Dr. Karen MularskiClackamas, OR · No drug or device payments recorded (2025) ·
(503) 571-2880 Dr. Kathryn Landauer, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 Dr. Kelly Probst, DOClackamas, OR · No drug or device payments recorded (2025) ·
(503) 813-2000 Dr. Kirthika Balakrishnan, MDClackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 Dr. Leora Britvan, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 813-2025 Dr. Linda Lewis, MDClackamas, OR · $126 in drug and device payments (2025) ·
(503) 654-9447 Dr. Lisa Ashcraft, MDClackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 Dr. Lisa Powell, MDClackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 Dr. Louis HolmesClackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 Dr. Magdalena Kasprowska, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 215-2110 Dr. Malina Neville, MDClackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 Dr. Marie Sherleen Brigham, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 522-6372 Dr. Mario PadillaClackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 Dr. Marissa Huebner, MDClackamas, OR · No drug or device payments recorded (2025) ·
(503) 813-2000 Dr. Mark Wozniak, MDClackamas, OR · No drug or device payments recorded (2025) ·
(503) 813-0378 Dr. Martin Donohoe, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 Dr. Mary Bodie, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 Dr. Michael Armstrong, DOClackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 Dr. Michael Ferrell, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 653-2880 Dr. Michael Hayes, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 813-2000 Dr. Michael Savage, MDClackamas, OR · No drug or device payments recorded (2025) ·
(503) 215-2890 Dr. Michele Mccallum, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 Dr. Milton Cohen, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 653-6440 Dr. Mitchell Luu, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(800) 813-2000 Dr. Muhammad Khaliq, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(800) 813-2000 Dr. Naomi Mirza, MDClackamas, OR · No drug or device payments recorded (2025) ·
(800) 813-2000 Dr. Navin Nayak, MDClackamas, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 215-2110 Dr. Nazanin Sharifi, M.D., M.S.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 571-2671 Dr. Nitesh SharmaClackamas, OR · No drug or device payments recorded (2025) ·
(800) 813-2000 Dr. Olivia Nguyen, MDClackamas, OR · No drug or device payments recorded (2025) ·
(800) 813-2000 Dr. Patra Behary, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 Dr. Peggy Eurman, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 653-6440 Dr. Rachel Brenner, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(800) 735-2900 Dr. Randall Gore, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 215-2110 Dr. Ronda KellerClackamas, OR · No drug or device payments recorded (2025) ·
(503) 813-4756 Dr. Sahra Rahimtoola, MDClackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 Dr. Samer Abufadil, MDClackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 Dr. Sarah Barr, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 Dr. Sarah ShubertClackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 Dr. Sarah York, MDClackamas, OR · No drug or device payments recorded (2025) ·
(503) 571-8036 Dr. Siobhan Gray, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 Dr. Stephanie Cha, MDClackamas, OR · No drug or device payments recorded (2025) ·
(503) 215-2110 Dr. Stephen Toth, DOClackamas, OR · No drug or device payments recorded (2025) ·
(503) 813-2000 Dr. Sun Park, MDClackamas, OR · No drug or device payments recorded (2025) ·
(800) 813-2000 Dr. Tatyana Aleksandrova, MDClackamas, OR · No drug or device payments recorded (2025) ·
(503) 221-8000 Dr. Terry Morrow, MDClackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 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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