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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 in Portland895 providers
Internal Medicine in Corvallis128 providers
Internal Medicine in Clackamas99 providers
Internal Medicine in Bend97 providers
Internal Medicine in Salem86 providers
Internal Medicine in Hillsboro65 providers
Internal Medicine in Eugene60 providers
Internal Medicine in Medford57 providers
Internal Medicine in Beaverton46 providers
Internal Medicine in Tualatin44 providers
Internal Medicine in Gresham37 providers
Internal Medicine in Springfield35 providers
Internal Medicine in Grants Pass33 providers
Internal Medicine in Coos Bay30 providers
Internal Medicine in Albany27 providers
Internal Medicine in Roseburg26 providers
Internal Medicine in Tigard25 providers
Internal Medicine in Lake Oswego23 providers
Internal Medicine in Newberg22 providers
Internal Medicine in Milwaukie22 providers
Internal Medicine in Mcminnville19 providers
Internal Medicine in Ashland15 providers
Internal Medicine in Oregon City15 providers
Internal Medicine in Klamath Falls15 providers

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. Zahia Esber, MD
Springfield, OR · $299 in drug and device payments (2025) · (541) 222-6389
Dr. George Degner, MD
Stayton, OR · $293 in drug and device payments (2025) · (503) 769-7151
Dr. Kim Dang, MD
Stayton, OR · $33 in drug and device payments (2025) · (503) 769-6386
Dr. Michael Chen, M.D.
Stayton, OR · $224 in drug and device payments (2025) · (503) 769-7151
Dr. I Hall, M.D.
Sunriver, OR · No drug or device payments recorded (2025) · (541) 598-2075
Dr. Beatrice Song, MD
Talent, OR · $38 in drug and device payments (2025) · Telehealth · (541) 201-4900
Dr. Ana Moreno, M.D.
The Dalles, OR · $76 in drug and device payments (2025) · (541) 386-6380
Dr. Blake Gornowicz, MD
The Dalles, OR · No drug or device payments recorded (2025) · (541) 296-1111
Dr. Daniel Morris, MD
The Dalles, OR · No drug or device payments recorded (2025) · (541) 296-7677
Dr. Gretchen Blair, MD
The Dalles, OR · No drug or device payments recorded (2025) · (541) 296-1111
Dr. James Edwards, MD
The Dalles, OR · $23 in drug and device payments (2025) · (541) 296-8010
Dr. Jason Morich, M.D
The Dalles, OR · No drug or device payments recorded (2025) · (541) 296-1111
Dr. Jeanette Paysse, MD
The Dalles, OR · No drug or device payments recorded (2025) · (541) 296-9151
Dr. Lawrence Long, MD
The Dalles, OR · No drug or device payments recorded (2025) · (541) 296-1111
Dr. Lucille Kirchner, MD
The Dalles, OR · No drug or device payments recorded (2025) · (541) 506-6940
Dr. Maile Anslinger, M.D.
The Dalles, OR · No drug or device payments recorded (2025) · (541) 506-6920
Dr. Margaret Cook, MD
The Dalles, OR · No drug or device payments recorded (2025) · (541) 296-1111
Dr. Spencer Nagle, M.D.
The Dalles, OR · No drug or device payments recorded (2025) · (541) 296-1111
Dr. Adama Diarra, D.O.
Tigard, OR · $324 in drug and device payments (2025) · (503) 664-1207
Dr. Aileen Kim, MD
Tigard, OR · $26 in drug and device payments (2025) · (503) 216-9200
Dr. Brian Burke, MD
Tigard, OR · No drug or device payments recorded (2025) · (503) 347-7366
Dr. Bryan Schwartz, M.D.
Tigard, OR · $126 in drug and device payments (2025) · Telehealth · (503) 906-9995
Dr. Christopher Calawa, M.D.
Tigard, OR · No drug or device payments recorded (2025) · (503) 216-0700
Dr. Daniel Mangum, DO
Tigard, OR · No drug or device payments recorded (2025) · (503) 293-1515
Dr. Enrique Gomez Morayta, M.D.
Tigard, OR · No drug or device payments recorded (2025) · (503) 293-0161
Dr. Evagelia Baros, DO
Tigard, OR · No drug or device payments recorded (2025) · Telehealth · (503) 216-9200
Dr. Evelyn Medrano, MD
Tigard, OR · No drug or device payments recorded (2025) · (503) 293-0161
Dr. Heidi Hagman, M.D.
Tigard, OR · $118 in drug and device payments (2025) · (971) 236-4445
Dr. Jennifer Keiser
Tigard, OR · $18 in drug and device payments (2025) · Telehealth · (971) 708-7600
Dr. Joseph Chiovaro, MD
Tigard, OR · $74 in drug and device payments (2025) · (503) 673-3893
Dr. Kenneth Martin, M.D.
Tigard, OR · No drug or device payments recorded (2025) · (503) 620-0721
Dr. Kimberly Crihfield, MD
Tigard, OR · No drug or device payments recorded (2025) · (503) 216-0700
Dr. Lawrence Langsdorf
Tigard, OR · No drug or device payments recorded (2025) · (503) 216-9200
Dr. Lesley Segal, MD
Tigard, OR · No drug or device payments recorded (2025) · (503) 216-9900
Dr. Mary Thomason, MD
Tigard, OR · No drug or device payments recorded (2025) · Telehealth · (503) 216-9200
Dr. Milton Blettel, MD
Tigard, OR · No drug or device payments recorded (2025) · (503) 293-1515
Dr. Poombavai Nagappan, MD
Tigard, OR · No drug or device payments recorded (2025) · Telehealth · (503) 216-9200
Dr. Ranjana Nathan, MD
Tigard, OR · No drug or device payments recorded (2025) · Telehealth · (503) 216-9200
Dr. Samuel Fellin, DO
Tigard, OR · No drug or device payments recorded (2025) · Telehealth · (503) 216-9200
Dr. Steven Mcnally, MD
Tigard, OR · No drug or device payments recorded (2025) · (503) 215-9900
Dr. Thomas Eberle, M.D.
Tigard, OR · No drug or device payments recorded (2025) · (503) 620-0721
Dr. Thuy-tien Pham, M.D.
Tigard, OR · No drug or device payments recorded (2025) · Telehealth · (503) 216-9200
Dr. Vishnu Mohan, M.D.
Tigard, OR · No drug or device payments recorded (2025) · (503) 620-0721
Dr. Calvin Hill, M.D.
Tillamook, OR · No drug or device payments recorded (2025) · (503) 842-5546
Dr. Curtis Nerness, MD
Tillamook, OR · No drug or device payments recorded (2025) · (702) 453-3799
Dr. Nancy Inforzato, M.D.
Tillamook, OR · No drug or device payments recorded (2025) · (503) 842-4444
Dr. Rex Parsons, MD
Tillamook, OR · No drug or device payments recorded (2025) · (503) 842-7533
Dr. Adam Glaser, M.D.
Tualatin, OR · No drug or device payments recorded (2025) · (503) 272-8825
Dr. Adarsh Saheba, MD
Tualatin, OR · No drug or device payments recorded (2025) · (503) 413-8407
Dr. Alicia Ahn, MD
Tualatin, OR · No drug or device payments recorded (2025) · (503) 885-7300

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.

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.

Related reading on HealthcareDiscovery.AI

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Internal Medicine in Oregon? Get featured.