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Sleep Medicine (Psychiatry & Neurology) in Portland, Oregon

Data updated monthly · Last refresh September 2026

6 Sleep Medicine (Psychiatry & Neurology) providers practice in Portland. Listings are drawn from federal public records and are not endorsements.

Sleep Medicine (Psychiatry & Neurology) providers in Portland

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. Caroline Tse
Portland, OR · No drug or device payments recorded (2025) · (503) 494-7772
Dr. Chad Hagen, M.D.
Portland, OR · No drug or device payments recorded (2025) · Telehealth · (503) 261-4475
Dr. Gerald Rich, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 228-4414
Dr. Gregory Clark, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 228-4414
Dr. Kaanchan Gangal, MD
Portland, OR · $100 in drug and device payments (2025) · Telehealth · (804) 269-8291
Dr. Theresa Buckley, M.D.
Portland, OR · $227 in drug and device payments (2025) · (503) 261-4475

Common questions

How many Sleep Medicine (Psychiatry & Neurology) providers are in Portland, Oregon?

There are 6 Sleep Medicine (Psychiatry & Neurology) providers with active NPI records practicing in Portland, according to federal NPPES data refreshed monthly.

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 Portland Sleep Medicine (Psychiatry & Neurology) 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.