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Cornea and External Diseases Specialist in Portland, Oregon

Data updated monthly · Last refresh September 2026

8 Cornea and External Diseases Specialist providers practice in Portland. Listings are drawn from federal public records and are not endorsements.

Cornea and External Diseases Specialist 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. Afshan Nanji, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 494-3000
Dr. Ashlin Joye
Portland, OR · $209 in drug and device payments (2025) · (503) 413-7036
Dr. David Demill, M.D.
Portland, OR · $323 in drug and device payments (2025) · (503) 413-8498
Dr. John Clements, MD
Portland, OR · $2,216 in drug and device payments (2025) · (503) 494-3000
Dr. Mark Terry, MD
Portland, OR · $14,298 in drug and device payments (2025) · (503) 413-8202
Dr. Michael Straiko, M.D.
Portland, OR · $11,658 in drug and device payments (2025) · Telehealth · (503) 413-8202
Dr. Roma Pegany, MD
Portland, OR · $400 in drug and device payments (2025) · Telehealth · (503) 494-3000
Dr. Winston Chamberlain, MD, PHD
Portland, OR · $15,690 in drug and device payments (2025) · (503) 494-3000

Common questions

How many Cornea and External Diseases Specialist providers are in Portland, Oregon?

There are 8 Cornea and External Diseases Specialist 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 Cornea and External Diseases Specialist across Oregon

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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.