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Internal Medicine in Clackamas, Oregon

Data updated monthly · Last refresh September 2026

99 Internal Medicine providers practice in Clackamas, and 5% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Clackamas

Listed alphabetically. 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. Leora Britvan, M.D.
Clackamas, OR · No drug or device payments recorded (2025) · (503) 813-2025
Dr. Linda Lewis, MD
Clackamas, OR · $126 in drug and device payments (2025) · (503) 654-9447
Dr. Lisa Ashcraft, MD
Clackamas, OR · No drug or device payments recorded (2025) · (503) 652-2880
Dr. Lisa Powell, MD
Clackamas, OR · No drug or device payments recorded (2025) · (503) 652-2880
Dr. Louis Holmes
Clackamas, 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, MD
Clackamas, 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 Padilla
Clackamas, OR · No drug or device payments recorded (2025) · (503) 652-2880
Dr. Marissa Huebner, MD
Clackamas, OR · No drug or device payments recorded (2025) · (503) 813-2000
Dr. Mark Wozniak, MD
Clackamas, 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, DO
Clackamas, 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, MD
Clackamas, 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, MD
Clackamas, OR · No drug or device payments recorded (2025) · (800) 813-2000
Dr. Navin Nayak, MD
Clackamas, 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 Sharma
Clackamas, OR · No drug or device payments recorded (2025) · (800) 813-2000
Dr. Olivia Nguyen, MD
Clackamas, 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 Keller
Clackamas, OR · No drug or device payments recorded (2025) · (503) 813-4756
Dr. Sahra Rahimtoola, MD
Clackamas, OR · No drug or device payments recorded (2025) · (503) 652-2880
Dr. Samer Abufadil, MD
Clackamas, 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 Shubert
Clackamas, OR · No drug or device payments recorded (2025) · (503) 652-2880
Dr. Sarah York, MD
Clackamas, 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, MD
Clackamas, OR · No drug or device payments recorded (2025) · (503) 215-2110
Dr. Stephen Toth, DO
Clackamas, OR · No drug or device payments recorded (2025) · (503) 813-2000
Dr. Sun Park, MD
Clackamas, OR · No drug or device payments recorded (2025) · (800) 813-2000
Dr. Tatyana Aleksandrova, MD
Clackamas, OR · No drug or device payments recorded (2025) · (503) 221-8000
Dr. Terry Morrow, MD
Clackamas, OR · No drug or device payments recorded (2025) · (503) 652-2880
Dr. Thomas Lorence, M.D.
Clackamas, OR · No drug or device payments recorded (2025) · (503) 652-2880
Dr. Tom Shi, MD
Clackamas, OR · No drug or device payments recorded (2025) · (800) 813-2000
Dr. Usman Ahmad, D.O.
Clackamas, OR · $266 in drug and device payments (2025) · (503) 813-2000
Dr. Valerie Downey, M.D.
Clackamas, OR · No drug or device payments recorded (2025) · (503) 652-2880
Dr. Walter George, MD
Clackamas, OR · No drug or device payments recorded (2025) · (503) 216-7960
Dr. Wei-lin Yang, D.O.
Clackamas, OR · No drug or device payments recorded (2025) · (503) 813-2000
Dr. Zoe Gombart, MD
Clackamas, OR · No drug or device payments recorded (2025) · (503) 813-2000

Conditions Internal Medicine providers in Clackamas, 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 Clackamas, Oregon?

There are 99 Internal Medicine providers with active NPI records practicing in Clackamas, according to federal NPPES data refreshed monthly.

How many Internal Medicine providers in Clackamas received drug or device company payments?

5 of 99 (5%) 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 Clackamas treat?

Internal Medicine providers in Clackamas 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 records 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.

All specialties in Clackamas Internal Medicine across Oregon

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.