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. Steven Paulissen, MDSalem, OR · No drug or device payments recorded (2025) ·
(503) 362-9334 Dr. Tana Gegen, MDSalem, OR · No drug or device payments recorded (2025) ·
(503) 561-8200 Dr. Timothy Mahoney, M.D.Salem, OR · No drug or device payments recorded (2025) ·
(503) 361-5400 Dr. Trang Moore, M.D.Salem, OR · No drug or device payments recorded (2025) ·
(503) 561-5200 Dr. William Gillespie, M.D.Salem, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 399-2424 Dr. William Graven, DO, MPHSalem, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 399-2424 Dr. Yohalakshmi Chelladurai, MBBS, MPHSalem, OR · No drug or device payments recorded (2025) ·
(503) 561-5200 Dr. Zubaria Iram, M.D.Salem, OR · No drug or device payments recorded (2025) ·
(503) 561-5200 Dr. Humza Maqbool, MDSeaside, OR · No drug or device payments recorded (2025) ·
(503) 717-7000 Dr. Kyle Walker, MDSeaside, OR · No drug or device payments recorded (2025) ·
(503) 717-7000 Dr. Mark Scurrah, MDSeaside, OR · No drug or device payments recorded (2025) ·
(503) 717-7000 Dr. Michael Johnson, M.D.Sherwood, OR · No drug or device payments recorded (2025) ·
(503) 625-7474 Dr. Pamela Turner, M.D.Sherwood, OR · No drug or device payments recorded (2025) ·
(503) 215-9600 Dr. Lisa Emond, M.D.Siletz, OR · No drug or device payments recorded (2025) ·
(541) 444-1030 Dr. Michael Flaningam, MDSiletz, OR · $77 in drug and device payments (2025) · Telehealth ·
(541) 444-1030 Dr. Nawaid Rana, MDSilverton, OR · No drug or device payments recorded (2025) ·
(971) 301-5154 Dr. Arjun Khunger, MDSpringfield, OR · No drug or device payments recorded (2025) ·
(541) 222-6389 Dr. Brian Fields, D.O.Springfield, OR · No drug or device payments recorded (2025) ·
(541) 726-4400 Dr. Colleen Kersh, M.D.Springfield, OR · No drug or device payments recorded (2025) ·
(541) 242-5245 Dr. Craig Winkler, MDSpringfield, OR · $42 in drug and device payments (2025) ·
(541) 744-8555 Dr. Dawn Mehlhaff, M.D.Springfield, OR · No drug or device payments recorded (2025) ·
(541) 222-2700 Dr. Frank Littell, M.D.Springfield, OR · No drug or device payments recorded (2025) ·
(541) 242-5203 Dr. Graeme Marquez, MBBSSpringfield, OR · $491 in drug and device payments (2025) ·
(541) 746-1166 Dr. Harold Lim, MDSpringfield, OR · No drug or device payments recorded (2025) ·
(541) 222-6389 Dr. Hassan Ghandour, MDSpringfield, OR · $47 in drug and device payments (2025) ·
(541) 726-4406 Dr. Joanna Marie Aquino-laban, M.D.Springfield, OR · No drug or device payments recorded (2025) ·
(541) 222-6389 Dr. Julie Hughes, MDSpringfield, OR · No drug or device payments recorded (2025) ·
(541) 521-7427 Dr. Kathleen Jackson, M.D.Springfield, OR · No drug or device payments recorded (2025) ·
(541) 746-1166 Dr. Kellie Sprangel, MDSpringfield, OR · No drug or device payments recorded (2025) ·
(541) 744-8555 Dr. Kevin Brown, M.D.Springfield, OR · $299 in drug and device payments (2025) ·
(541) 682-3550 Dr. Linda Oppenheimer, MDSpringfield, OR · No drug or device payments recorded (2025) ·
(541) 746-6816 Dr. Lois Garner, M.D.Springfield, OR · No drug or device payments recorded (2025) ·
(541) 682-3550 Dr. Magha Dissanayake, MDSpringfield, OR · $1,635 in drug and device payments (2025) ·
(541) 746-1166 Dr. Marat Gadzhiev, M.D.Springfield, OR · No drug or device payments recorded (2025) ·
(541) 687-4900 Dr. Marion DiermayerSpringfield, OR · No drug or device payments recorded (2025) ·
(541) 685-1800 Dr. Mohammad Khan, M.D.Springfield, OR · No drug or device payments recorded (2025) ·
(541) 242-5203 Dr. Navdeep Riar, MDSpringfield, OR · No drug or device payments recorded (2025) ·
(541) 744-8555 Dr. Nita Vellody, DOSpringfield, OR · No drug or device payments recorded (2025) ·
(458) 544-0400 Dr. Paula Ciesielski, MDSpringfield, OR · No drug or device payments recorded (2025) ·
(541) 746-6815 Dr. Perry Nelson, MDSpringfield, OR · No drug or device payments recorded (2025) ·
(412) 226-3893 Dr. Peter Fox, DOSpringfield, OR · $22 in drug and device payments (2025) ·
(541) 726-4400 Dr. Precious Roda Ramirez-arao, M.D.Springfield, OR · No drug or device payments recorded (2025) ·
(541) 222-6389 Dr. Priya Carden, MDSpringfield, OR · $15 in drug and device payments (2025) ·
(541) 682-3550 Dr. Richard Lari, M.D.Springfield, OR · No drug or device payments recorded (2025) ·
(541) 242-5245 Dr. Sarbmeet MannSpringfield, OR · No drug or device payments recorded (2025) · Telehealth ·
(541) 222-6565 Dr. Shashank Varakantam, M.D.Springfield, OR · No drug or device payments recorded (2025) ·
(541) 222-7300 Dr. Shugi Zheng, M.D.Springfield, OR · No drug or device payments recorded (2025) · Telehealth ·
(541) 746-5437 Dr. Suleiman Omar, M.D.Springfield, OR · No drug or device payments recorded (2025) ·
(541) 222-6389 Dr. Swati Gobhil, M.D.Springfield, OR · No drug or device payments recorded (2025) ·
(541) 222-6389 Dr. Tsewang Tuladhar, MDSpringfield, OR · No drug or device payments recorded (2025) ·
(541) 222-7300 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.
- 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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