Anatomic Pathologists in Oregon
Data updated monthly · Last refresh October 2026
34 Anatomic Pathology 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.
34providers
Portlandtop city
Anatomic Pathology by city in Oregon
Choose a city to see providers there.
Where Anatomic Pathologists in Oregon practice
From CMS Medicare enrollment records covering 20 of the 34 providers listed here (59%). Providers who do not bill Medicare are not included in these figures.
25%solo or small practice (under 10 clinicians)
5%mid-size group (10 to 99)
70%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Anatomic Pathologists | All clinicians in group | Main city |
| University Professional Services | 12 | 1,683 | Portland |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Anatomic Pathologists affiliated |
| Ohsu Hospital and Clinics | Portland | Nonprofit | 3 of 5 | 14 |
| Hillsboro Medical Center | Hillsboro | Nonprofit | 3 of 5 | 6 |
| Good Samaritan Regional Medical Center | Corvallis | Nonprofit | 3 of 5 | 5 |
| Salem Hospital | Salem | Nonprofit | 3 of 5 | 5 |
| Legacy Good Samaritan Medical Center | Portland | Nonprofit | 4 of 5 | 3 |
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.
Anatomic Pathology 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. Larry Lewman, M.D.Clackamas, OR · No drug or device payments recorded (2025) ·
(971) 673-8218 Dr. George Thomas, MDLake Oswego, OR · $408 in drug and device payments (2025) ·
(503) 494-5986 Dr. Stephen KesslerLake Oswego, OR · No drug or device payments recorded (2025) ·
(503) 816-9992 Dr. Alicia Liang, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(800) 813-2000 Dr. Atiya Mansoor, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Benjamin Smith, MD, MSPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-6776 Dr. Brian Mau, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Carlos Suarez Valencia, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Christopher Corless, MDPortland, OR · $4,230 in drug and device payments (2025) ·
(503) 494-8276 Dr. Donald Houghton, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Eizaburo Sasatomi, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-6776 Dr. Harmanjatinder Sekhon, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Heather Ruff, D.O.Portland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. James Davis, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Kristina WakemanPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Marcela Riveros Angel, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Maritza Martel, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-7575 Dr. Mark Malecha, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 220-8262 Dr. Melanie Hakar, D.O.Portland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Ozlen Saglam, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Peter Stenzel, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Phoebe Hammer, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 550-4155 Dr. Qiuying Shi, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Randall Lee, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 413-7494 Dr. Robert FreundPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Sandra Sanchez, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Sintawat Wangsiricharoen, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Stacy Webb, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Steven Tracy, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Terry Morgan, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Vanderlene Kung, M.D., PH.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Veronica NicholasPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8276 Dr. Yan LiPortland, OR · $125 in drug and device payments (2025) ·
(503) 494-8276 Dr. Rebekah Wieland, MDSpringfield, OR · $340 in drug and device payments (2025) ·
(541) 222-6914 Common questions
How many Anatomic Pathology providers are in Oregon?There are 34 Anatomic Pathology providers with active NPI records practicing in Oregon, according to federal NPPES data refreshed monthly.
Which cities in Oregon have the most Anatomic Pathology providers?Portland (30), Lake Oswego (2), Clackamas (1) have the highest concentration of Anatomic Pathology providers in Oregon.
How many Anatomic Pathology providers in Oregon received drug or device company payments?4 of 34 Anatomic Pathology providers in Oregon (12%) 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 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 Anatomic Pathologists in Oregon work in independent practices or large health systems?Among 20 Anatomic Pathologists in Oregon enrolled in Medicare, 25% bill through a solo or small practice with fewer than 10 clinicians, 5% through a mid-size group of 10 to 99, and 70% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Anatomic Pathologists in Oregon work at?According to CMS facility affiliation records, the Oregon hospitals where the most Anatomic Pathologists hold privileges are Ohsu Hospital and Clinics in Portland; Hillsboro Medical Center in Hillsboro; Good Samaritan Regional Medical Center in Corvallis.
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