Allergists in Oregon
Data updated monthly · Last refresh October 2026
42 Allergy & Immunology providers practice in Oregon, including 10 (24%) offering telehealth. 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.
42providers
10telehealth
Portlandtop city
Allergy & Immunology by city in Oregon
Choose a city to see providers there.
Where Allergists in Oregon practice
From CMS Medicare enrollment records covering 21 of the 42 providers listed here (50%). Providers who do not bill Medicare are not included in these figures.
38%solo or small practice (under 10 clinicians)
0%mid-size group (10 to 99)
62%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Allergists | All clinicians in group | Main city |
| University Professional Services | 5 | 1,683 | Portland |
| Kaiser Foundation Health Plan of the Northwest | 3 | 1,805 | Tualatin |
| Praxis Health PC | 3 | 174 | Eugene |
| James W Baker MD LLC | 3 | 5 | Portland |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Allergists affiliated |
| Ohsu Hospital and Clinics | Portland | Nonprofit | 3 of 5 | 8 |
| St Charles Medical Center - Bend | Bend | Nonprofit | 4 of 5 | 2 |
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.
Allergy & Immunology 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. Raymond Brady, MDAstoria, OR · No drug or device payments recorded (2025) ·
(503) 325-7546 Dr. Alexander Yu, MD, PHDBeaverton, OR · No drug or device payments recorded (2025) ·
(503) 486-4481 Dr. Adam Williams, M.D.Bend, OR · $14,275 in drug and device payments (2025) ·
(541) 382-2811 Dr. Chong Lee, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 571-2100 Dr. Fredrick Gill, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(503) 652-2880 Dr. Waseem Makhoul, MDClackamas, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 208-9144 Dr. Jason Friesen, MDEugene, OR · $80 in drug and device payments (2025) · Telehealth ·
(541) 683-1577 Dr. Lisa Wheatley, MDEugene, OR · No drug or device payments recorded (2025) ·
(541) 342-2134 Dr. Maxwell Li, M.D.Eugene, OR · $507 in drug and device payments (2025) · Telehealth ·
(541) 683-1577 Dr. Richard Buck, MDEugene, OR · No drug or device payments recorded (2025) ·
(541) 683-0730 Dr. Sarah Kehl, M.D.Eugene, OR · $455 in drug and device payments (2025) · Telehealth ·
(541) 683-1577 Dr. Stephen Fritz, MDHappy Valley, OR · $3,485 in drug and device payments (2025) ·
(971) 358-5600 Dr. Ryan Israelsen, M.D.Medford, OR · $126 in drug and device payments (2025) ·
(541) 858-1003 Dr. June Hawkins, MDOregon City, OR · No drug or device payments recorded (2025) ·
(503) 631-4302 Dr. Anthony Montanaro, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-4300 Dr. Barzin Khalili, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 228-0155 Dr. Clifford Anderson, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 223-6480 Dr. Cristina Swanson, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 494-8211 Dr. Donald Dibbern, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 228-0155 Dr. Emil Bardana, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-4300 Dr. Gregory OwensPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 494-4300 Dr. Haley Hostetler, M.D.Portland, OR · $224 in drug and device payments (2025) · Telehealth ·
(503) 494-4300 Dr. James Baker, MDPortland, OR · $1,250 in drug and device payments (2025) ·
(503) 636-9011 Dr. Julie Hong, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 636-9011 Dr. Justin Treat, DOPortland, OR · No drug or device payments recorded (2025) ·
(503) 612-3375 Dr. Karen Anstey, M.D.Portland, OR · $16,924 in drug and device payments (2025) · Telehealth ·
(503) 494-7680 Dr. Kenneth Ettinger, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 285-9321 Dr. Kursteen Price, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 575-7112 Dr. Michael Noonan, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 636-9011 Dr. Michael Osborne, M.D.Portland, OR · $2,465 in drug and device payments (2025) ·
(503) 292-7577 Dr. Renganathan Srinivasan, M.D.Portland, OR · $114 in drug and device payments (2025) · Telehealth ·
(503) 494-4300 Dr. Shyam Joshi, M.D.Portland, OR · $55,926 in drug and device payments (2025) · Telehealth ·
(503) 494-4300 Dr. Andrew Hope, M.D.Salem, OR · No drug or device payments recorded (2025) ·
(503) 364-0189 Dr. Benjamin Rahoy, DOSalem, OR · $1,019 in drug and device payments (2025) ·
(503) 362-8385 Dr. Charles Wagner, MDSalem, OR · No drug or device payments recorded (2025) ·
(503) 362-8385 Dr. James Mcdonald, MDSalem, OR · No drug or device payments recorded (2025) ·
(503) 364-0189 Dr. Laura Metzger, M.D.Salem, OR · No drug or device payments recorded (2025) ·
(503) 399-2424 Dr. Michael Barrett, M.D.Tigard, OR · No drug or device payments recorded (2025) ·
(503) 620-5614 Dr. Kristyn Anthony, M.D.Tualatin, OR · $436 in drug and device payments (2025) ·
(503) 813-2000 Dr. Navid Ziaie, MDTualatin, OR · No drug or device payments recorded (2025) · Telehealth ·
(800) 813-2000 Dr. Trevor Hodson, MDTualatin, OR · $2,525 in drug and device payments (2025) ·
(503) 813-2000 Conditions Allergy & Immunology providers in Oregon commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Allergy & Immunology providers. Individual practices vary, so confirm with the provider before booking.
- Seasonal allergies
- Food allergies
- Asthma
- Eczema
- Chronic hives
Common questions
How many Allergy & Immunology providers are in Oregon?There are 42 Allergy & Immunology providers with active NPI records practicing in Oregon, according to federal NPPES data refreshed monthly.
Do Allergy & Immunology providers in Oregon offer telehealth?Yes. 10 of the 42 Allergy & Immunology providers in Oregon (about 24%) report offering telehealth services in CMS data.
Which cities in Oregon have the most Allergy & Immunology providers?Portland (18), Eugene (6), Salem (5) have the highest concentration of Allergy & Immunology providers in Oregon.
How many Allergy & Immunology providers in Oregon received drug or device company payments?16 of 42 Allergy & Immunology providers in Oregon (38%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Allergy & Immunology providers in Oregon treat?Allergy & Immunology providers commonly treat seasonal allergies, food allergies, asthma, eczema, chronic hives and related conditions. Individual practices vary, so confirm with the provider before booking.
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.
Do most Allergists in Oregon work in independent practices or large health systems?Among 21 Allergists in Oregon enrolled in Medicare, 38% bill through a solo or small practice with fewer than 10 clinicians, 0% through a mid-size group of 10 to 99, and 62% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Allergists in Oregon work at?According to CMS facility affiliation records, the Oregon hospitals where the most Allergists hold privileges are Ohsu Hospital and Clinics in Portland; St Charles Medical Center - Bend in Bend.
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