Nephrology in Portland, Oregon
Data updated monthly · Last refresh September 2026
73 Nephrology providers practice in Portland, and 23% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Nephrology 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. Peter Fisher, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 284-1937 Dr. Peter Fong, MD, PHARMDPortland, OR · No drug or device payments recorded (2025) ·
(503) 220-8262 Dr. Raghav Wusirika, MDPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 494-3442 Dr. Ranjani Moorthi, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-3442 Dr. Richard Parker, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8490 Dr. Robert Provenzano, MDPortland, OR · No drug or device payments recorded (2025) ·
(855) 397-0197 Dr. Robert Rope, M.D.Portland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 494-7159 Dr. Rupali Avasare, M.D.Portland, OR · $15,955 in drug and device payments (2025) ·
(503) 494-3442 Dr. Sallie Israelit, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 284-1937 Dr. Samuel Roberts, DOPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-3442 Dr. Sharon Anderson, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-3442 Dr. Shehzad Rehman, M.D.Portland, OR · $2,860 in drug and device payments (2025) · Telehealth ·
(503) 494-8500 Dr. Supriya Khan, MDPortland, OR · $319 in drug and device payments (2025) · Telehealth ·
(503) 284-1937 Dr. Susan Bagby, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8490 Dr. Susan Gurley, MD, PHDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-3442 Dr. Suzanne Watnick, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-3442 Dr. Thomas Kennefick, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 292-7704 Dr. Thuy Le, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 413-6555 Dr. Todd Hilbelink, MDPortland, OR · $285 in drug and device payments (2025) · Telehealth ·
(503) 235-5509 Dr. Tonja Dirkx, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8490 Dr. Tricia Jesperson, DOPortland, OR · $160 in drug and device payments (2025) · Telehealth ·
(503) 235-5509 Dr. William Bennett, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 413-6555 Dr. Wooin Ahn, M.D.Portland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 494-3442 Conditions Nephrology providers in Portland, Oregon commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Nephrology providers. Individual practices vary, so confirm with the provider before booking.
- Chronic kidney disease
- Kidney stones
- Dialysis care
- High blood pressure
Common questions
How many Nephrology providers are in Portland, Oregon?There are 73 Nephrology providers with active NPI records practicing in Portland, according to federal NPPES data refreshed monthly.
How many Nephrology providers in Portland received drug or device company payments?17 of 73 (23%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Nephrology providers in Portland treat?Nephrology providers in Portland commonly treat chronic kidney disease, kidney stones, dialysis care, high blood pressure and related conditions. Individual practices vary, so confirm with the provider before booking.
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 Nephrology across Oregon