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. Benito Pataroque, M.D.Tualatin, OR · $2,309 in drug and device payments (2025) · Telehealth ·
(503) 692-3647 Dr. Brian Rainka, M.D.Tualatin, OR · No drug or device payments recorded (2025) ·
(503) 692-1212 Dr. Cara Lutze, M.D.Tualatin, OR · $172 in drug and device payments (2025) ·
(503) 808-9213 Dr. Carmen Mccallum, M.D.Tualatin, OR · $221 in drug and device payments (2025) ·
(503) 776-0809 Dr. Corona Freitag, M.D.Tualatin, OR · No drug or device payments recorded (2025) ·
(503) 885-7300 Dr. David Nazemi, MDTualatin, OR · No drug or device payments recorded (2025) ·
(503) 692-1212 Dr. David Wakeling, D.O.Tualatin, OR · No drug or device payments recorded (2025) ·
(503) 692-2430 Dr. Dean Peterson, MDTualatin, OR · $34 in drug and device payments (2025) ·
(503) 413-8407 Dr. Elizabeth Reding, D.O.Tualatin, OR · $86 in drug and device payments (2025) ·
(503) 808-9213 Dr. Elizabeth Sammond, M.D.Tualatin, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 692-7785 Dr. Ellen Schiaffino-purvis, MDTualatin, OR · $28,244 in drug and device payments (2025) ·
(205) 964-2924 Dr. Emoniel IsakharovTualatin, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 692-7785 Dr. Gwen Grewe, M.D.Tualatin, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 692-7785 Dr. Janel Desalvo, MDTualatin, OR · No drug or device payments recorded (2025) ·
(503) 692-1212 Dr. Jan Hua, DOTualatin, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 692-7785 Dr. Jaymee Delaney, MDTualatin, OR · No drug or device payments recorded (2025) ·
(503) 352-0770 Dr. Jay Paul Douglass, MDTualatin, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 635-6256 Dr. Jeffrey Fullman, MDTualatin, OR · No drug or device payments recorded (2025) ·
(503) 692-1205 Dr. Jessie Trieu, M.D.Tualatin, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 692-7785 Dr. John Forsythe, MDTualatin, OR · No drug or device payments recorded (2025) ·
(503) 692-1205 Dr. Kathryn Foutch, D.O.Tualatin, OR · No drug or device payments recorded (2025) ·
(503) 692-1212 Dr. Khalil Shasha, MDTualatin, OR · No drug or device payments recorded (2025) ·
(503) 413-8407 Dr. Kimberly Kisor, M.D.Tualatin, OR · No drug or device payments recorded (2025) ·
(800) 813-2000 Dr. Laura Nepveu, MDTualatin, OR · No drug or device payments recorded (2025) ·
(503) 692-5300 Dr. Luana West Machado Hearn, MDTualatin, OR · $59 in drug and device payments (2025) ·
(800) 813-2000 Dr. Mark Mckinstry, MDTualatin, OR · No drug or device payments recorded (2025) ·
(503) 692-7785 Dr. Raelin FullmerTualatin, OR · No drug or device payments recorded (2025) ·
(503) 413-8407 Dr. Reynaldo Danilo Franco, M.D.Tualatin, OR · No drug or device payments recorded (2025) ·
(503) 692-1122 Dr. Richard Miller, MDTualatin, OR · No drug or device payments recorded (2025) ·
(503) 692-1212 Dr. Robert Wendland, MDTualatin, OR · No drug or device payments recorded (2025) ·
(800) 813-2000 Dr. Sandra Barton, M.D.Tualatin, OR · No drug or device payments recorded (2025) ·
(503) 885-5348 Dr. Sarra Borhanian, MDTualatin, OR · No drug or device payments recorded (2025) ·
(503) 635-6256 Dr. Seldon Saks, M.D.Tualatin, OR · No drug or device payments recorded (2025) ·
(503) 612-8448 Dr. Simona Parau, M.D.Tualatin, OR · No drug or device payments recorded (2025) ·
(503) 413-8400 Dr. Sonia Rajput, MDTualatin, OR · No drug or device payments recorded (2025) ·
(503) 413-8407 Dr. Suzanne Migchelbrink, MDTualatin, OR · $19 in drug and device payments (2025) ·
(503) 692-1205 Dr. Tammi Boston, MDTualatin, OR · No drug or device payments recorded (2025) ·
(503) 692-7785 Dr. Tana Haynes, M.D.Tualatin, OR · No drug or device payments recorded (2025) ·
(503) 699-0764 Dr. Thomas Wimmer, MDTualatin, OR · No drug or device payments recorded (2025) ·
(503) 813-2000 Dr. Tin Zar AungTualatin, OR · No drug or device payments recorded (2025) ·
(503) 813-2000 Dr. Xin Wang, M.D.Tualatin, OR · No drug or device payments recorded (2025) ·
(503) 692-7785 Dr. Lee Furlong, M.D.Waldport, OR · No drug or device payments recorded (2025) ·
(541) 563-3197 Dr. Alexandra Armstrong, M.D.Warrenton, OR · No drug or device payments recorded (2025) ·
(503) 338-4500 Dr. Amy Gillcrist, MDWest Linn, OR · $22 in drug and device payments (2025) · Telehealth ·
(503) 908-1590 Dr. Colin Mcdonough, M.DWest Linn, OR · No drug or device payments recorded (2025) ·
(503) 513-3350 Dr. Cristina De Castro-dela Cruz, MDWest Linn, OR · No drug or device payments recorded (2025) ·
(503) 513-3350 Dr. Flora Fazeli, MDWest Linn, OR · No drug or device payments recorded (2025) ·
(503) 210-4900 Dr. Gerald Melchor, M.D.West Linn, OR · No drug or device payments recorded (2025) ·
(503) 210-4900 Dr. Huey Meeker, M.D.West Linn, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 635-6430 Dr. Michael Sherman, M.D.West Linn, OR · $629 in drug and device payments (2025) ·
(503) 994-4353 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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