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Internal Medicine in Lake Oswego, Oregon

Data updated monthly · Last refresh September 2026

23 Internal Medicine providers practice in Lake Oswego. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Lake Oswego

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. Alia Alhumaid, MD
Lake Oswego, OR · $47 in drug and device payments (2025) · (503) 486-7276
Dr. Berton Stone, M.D.
Lake Oswego, OR · No drug or device payments recorded (2025) · (503) 675-6776
Dr. Birch Porter, MD
Lake Oswego, OR · No drug or device payments recorded (2025) · (800) 718-1259
Dr. Claire Higgins, MD
Lake Oswego, OR · No drug or device payments recorded (2025) · (503) 216-1500
Dr. Colene Andersen, MD
Lake Oswego, OR · No drug or device payments recorded (2025) · Telehealth · (503) 525-7500
Dr. Colleen Finnegan, M.D.
Lake Oswego, OR · No drug or device payments recorded (2025) · (503) 216-1500
Dr. Daryl Baron, MD
Lake Oswego, OR · No drug or device payments recorded (2025) · (503) 635-6256
Dr. Donald Ramsthel, MD
Lake Oswego, OR · No drug or device payments recorded (2025) · (503) 636-7860
Dr. Edward Conrad, M.D.
Lake Oswego, OR · No drug or device payments recorded (2025) · (503) 635-5044
Dr. Ellen Mayock, MD
Lake Oswego, OR · No drug or device payments recorded (2025) · (503) 525-7500
Dr. H Harris, MD
Lake Oswego, OR · No drug or device payments recorded (2025) · (503) 636-9687
Dr. Hidenao Kimura, MD
Lake Oswego, OR · $1,295 in drug and device payments (2025) · Telehealth · (503) 636-9605
Dr. Jordan Smith, M.D.
Lake Oswego, OR · No drug or device payments recorded (2025) · Telehealth · (503) 525-7500
Dr. Judith Lindsey, M.D.
Lake Oswego, OR · No drug or device payments recorded (2025) · (503) 525-7500
Dr. Kenneth Melvin, MD
Lake Oswego, OR · No drug or device payments recorded (2025) · (503) 203-1177
Dr. Lauren Gearhart, MD
Lake Oswego, OR · No drug or device payments recorded (2025) · (503) 635-6256
Dr. Nancy Heisel, MD
Lake Oswego, OR · $18 in drug and device payments (2025) · (503) 525-7500
Dr. Paula Kilpatrick
Lake Oswego, OR · No drug or device payments recorded (2025) · (503) 697-3001
Dr. Paul Yutan, M.D.
Lake Oswego, OR · No drug or device payments recorded (2025) · Telehealth · (503) 479-5608
Dr. Stephanie Barayuga, MD
Lake Oswego, OR · $122 in drug and device payments (2025) · Telehealth · (503) 216-1500
Dr. Stephen Weil, MD
Lake Oswego, OR · No drug or device payments recorded (2025) · (503) 697-3001
Dr. Steven Hashiguchi, MD
Lake Oswego, OR · No drug or device payments recorded (2025) · Telehealth · (503) 635-6256
Dr. Sue Lewis, MD
Lake Oswego, OR · No drug or device payments recorded (2025) · Telehealth · (503) 675-6776

Conditions Internal Medicine providers in Lake Oswego, 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 Lake Oswego, Oregon?

There are 23 Internal Medicine providers with active NPI records practicing in Lake Oswego, according to federal NPPES data refreshed monthly.

What conditions do Internal Medicine providers in Lake Oswego treat?

Internal Medicine providers in Lake Oswego 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 Lake Oswego Internal Medicine across Oregon

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.