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Medical Toxicologists (Emergency Medicine) in Oregon

Data updated monthly · Last refresh October 2026

6 Medical Toxicology (Emergency Medicine) providers practice in Oregon. The largest concentration is in Portland. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

6providers
Portlandtop city

Where Medical Toxicologists (Emergency Medicine) in Oregon practice

From CMS Medicare enrollment records covering 4 of the 6 providers listed here (67%). Providers who do not bill Medicare are not included in these figures.

Largest practice groups

Group (as registered with Medicare)Medical Toxicologists (Emergency Medicine)All clinicians in groupMain city
University Professional Services21,683Portland

Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.

Medical Toxicology (Emergency Medicine) providers in Oregon

Listed by city, largest first. 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. Andrew Troger, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 494-7551
Dr. Craig Warden, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 494-4399
Dr. Martin Smilkstein, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 220-8262
Dr. Nikolaus Matsler, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 494-7551
Dr. Robert Hendrickson, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 494-9495
Dr. Ruby Hoang, DO
Portland, OR · No drug or device payments recorded (2025) · (503) 494-8600

Common questions

How many Medical Toxicology (Emergency Medicine) providers are in Oregon?

There are 6 Medical Toxicology (Emergency Medicine) providers with active NPI records practicing in Oregon, according to federal NPPES data refreshed monthly.

Which cities in Oregon have the most Medical Toxicology (Emergency Medicine) providers?

Portland (6) have the highest concentration of Medical Toxicology (Emergency Medicine) providers in Oregon.

Where does this data come from?

Provider counts and profiles 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.

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Related

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. Are you a Medical Toxicology (Emergency Medicine) in Oregon? Get featured.