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Emergency Medicine in Portland, Oregon

Data updated monthly · Last refresh September 2026

330 Emergency Medicine providers practice in Portland, and 9% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Emergency Medicine 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. Marcus Chiodo, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 257-2500
Dr. Maria Nelson, M.D., M.C.R.
Portland, OR · $103 in drug and device payments (2025) · (503) 494-8211
Dr. Mark Dammann, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 494-8311
Dr. Mark Livingston, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 413-7260
Dr. Mark Vanko, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 297-6334
Dr. Mark Vantighem, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 494-8211
Dr. Mark Wahle, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 297-6334
Dr. Mark Wilkison, M.D
Portland, OR · No drug or device payments recorded (2025) · (503) 297-6334
Dr. Mary Carroll Lee, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 494-7551
Dr. Mary Engrav, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 297-6334
Dr. Mary Tanski, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 494-8652
Dr. Mathangi Kularajan, DO
Portland, OR · No drug or device payments recorded (2025) · (503) 494-8211
Dr. Mathew Berner, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 251-6352
Dr. Matthew Davey, M.D.
Portland, OR · No drug or device payments recorded (2025) · (949) 702-2851
Dr. Matthew Hansen, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 494-1270
Dr. Matthew Noble, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 418-4381
Dr. Matthew Turner, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 257-2500
Dr. Matthew Westermeyer, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 252-2004
Dr. Mayura Madden, MD
Portland, OR · No drug or device payments recorded (2025) · (800) 813-2000
Dr. Megan Walusiak, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 494-8211
Dr. Melanie Parker, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 464-9034
Dr. Melissa Denny, M.D.
Portland, OR · No drug or device payments recorded (2025) · (971) 330-9494
Dr. Mercedes Noble, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 494-7771
Dr. Michaela Angelique Go
Portland, OR · No drug or device payments recorded (2025) · (503) 220-8262
Dr. Michael Moss, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 494-8311
Dr. Michael Petrovich, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 494-7500
Dr. Michael Shertz, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 297-6334
Dr. Michael Triller, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 494-8211
Dr. Minot Cleveland, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 413-7260
Dr. Miranda Brown, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 297-6334
Dr. Miranda Devine, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 494-8211
Dr. Mitchell Arends
Portland, OR · No drug or device payments recorded (2025) · (253) 968-1250
Dr. Mohamud Daya, MD, M S
Portland, OR · $126 in drug and device payments (2025) · (503) 494-7248
Dr. Mona Shah, MD
Portland, OR · $17 in drug and device payments (2025) · (503) 494-7008
Dr. Morgan Black, MD
Portland, OR · $113 in drug and device payments (2025) · (503) 494-7551
Dr. Nam Trinh, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 257-2500
Dr. Nathanael Mckeown, D.O.
Portland, OR · No drug or device payments recorded (2025) · (503) 494-7317
Dr. Nathan Magaret, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 297-6334
Dr. Nathan Van Dyk, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 418-7551
Dr. Nicholas Davis, DO
Portland, OR · No drug or device payments recorded (2025) · (503) 494-7551
Dr. Nicolas Stadlberger, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 297-6334
Dr. Nikolai Schnittke, MD
Portland, OR · $23 in drug and device payments (2025) · (510) 693-5565
Dr. Nikolas Loera, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 494-8211
Dr. Norman Kalbfleisch, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 494-9345
Dr. Obert Xu, MBBS
Portland, OR · No drug or device payments recorded (2025) · (503) 494-8211
Dr. Omar Khattab, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 494-7752
Dr. Oscar Ma, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 494-7008
Dr. Patrick Brunett, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 494-9590
Dr. Patrick West, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 494-9000
Dr. Patsy Chenpanas
Portland, OR · $23 in drug and device payments (2025) · (503) 494-7551

Common questions

How many Emergency Medicine providers are in Portland, Oregon?

There are 330 Emergency Medicine providers with active NPI records practicing in Portland, according to federal NPPES data refreshed monthly.

How many Emergency Medicine providers in Portland received drug or device company payments?

30 of 330 (9%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

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 Emergency 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.