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Pediatric Infectious Disease Specialists in Oregon

Data updated monthly · Last refresh October 2026

14 Pediatric Infectious Diseases 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.

14providers
Portlandtop city

Pediatric Infectious Diseases by city in Oregon

Choose a city to see providers there.

Pediatric Infectious Diseases in Portland12 providers
Pediatric Infectious Diseases in Bend2 providers

Where Pediatric Infectious Disease Specialists in Oregon practice

From CMS Medicare enrollment records covering 2 of the 14 providers listed here (14%). Providers who do not bill Medicare are not included in these figures.

Largest practice groups

Group (as registered with Medicare)Pediatric Infectious Disease SpecialistsAll 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.

Pediatric Infectious Diseases 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. C. John Chunn, MD
Bend, OR · No drug or device payments recorded (2025) · (541) 389-6313
Dr. Scott Olson, M.D.
Bend, OR · No drug or device payments recorded (2025) · (541) 382-4321
Dr. Amira Baker, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 813-2000
Dr. Ann Loeffler, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 413-2042
Dr. Christina Lancioni, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 494-3305
Dr. Christine Anterasian, M.D.
Portland, OR · $53 in drug and device payments (2025) · (503) 418-5747
Dr. Colleen Chun, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 418-8100
Dr. Dawn Nolt, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 494-9690
Dr. Deborah Lewinsohn, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 494-3305
Dr. Genevieve Buser, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 216-6050
Dr. Judith Guzman-cottrill, DO
Portland, OR · No drug or device payments recorded (2025) · (503) 418-5747
Dr. Lorne Walker, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 494-5476
Dr. Louise Vaz, MD, MPH
Portland, OR · No drug or device payments recorded (2025) · (503) 494-3305
Dr. Paul Lewis, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 494-3305

Common questions

How many Pediatric Infectious Diseases providers are in Oregon?

There are 14 Pediatric Infectious Diseases providers with active NPI records practicing in Oregon, according to federal NPPES data refreshed monthly.

Which cities in Oregon have the most Pediatric Infectious Diseases providers?

Portland (12), Bend (2) have the highest concentration of Pediatric Infectious Diseases 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 Pediatric Infectious Diseases in Oregon? Get featured.