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Neuropathology in Portland, Oregon

Data updated monthly · Last refresh September 2026

2 Neuropathology providers practice in Portland. Listings are drawn from federal public records and are not endorsements.

Neuropathology 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. Marjorie Grafe, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 494-8276
Dr. Nishant Tiwari, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 494-8276

Common questions

How many Neuropathology providers are in Portland, Oregon?

There are 2 Neuropathology 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 Neuropathology 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.