3 Best Nephrologists in Portland, OR

Expert-recommended Top 3 Nephrologists in Portland, Oregon. All of our kidney specialists actually face a rigorous 50-Point Inspection, which includes customer reviews, history, complaints, ratings, satisfaction, trust, cost and general excellence. You deserve only the best!

Clayton M. Smiley, MD - Portland, OR Nephrologists - Doctor Portrait Image
5+ YEARS ON TBR

CLAYTON M. SMILEY, MD

NORTHWEST RENAL CLINIC-GOOD SAMARITAN OFFICE
1130 NorthWest 22nd Avenue, Suite 640,
Portland, OR 97210 Directions

Since 1998

Specialty:

End-Stage Renal Disease (ESRD) Chronic Renal and Polycystic Kidney Disease Urinalysis Transplant Dialysis Peritoneal Dialysis Hemodialysis Chronic Disease Management Diabetes Management

" Dr. Clayton M. Smiley is board-certified by the American Board of Internal Medicine in Nephrology and Internal Medicine. He completed his medical degree at the University of Chicago Pritzker School of Medicine. He did his internship and residency at the Naval Medical Center. Dr. Clayton M. Smiley also completed a fellowship at the University of California, San Diego. He holds active Oregon, Washington, and Hawaii state licenses. He is a member of the American Society of Nephrology, American College of Physicians, Oregon Medical Association, and Renal Physicians Association. His service is also available in Good Samaritan Hospital, Tualatin, Salem, and St. Helens. He is currently working at Northwest Renal Clinic.

2026 Highlights: Dr. Clayton M. Smiley accepts New Patients and speaks English."

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License #MD27251

Contact:

(503) 229-7976

Mon-Fri: 8am - 5pm
Sat & Sun: Closed

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Nicole Kemper, MD - Portland, OR Nephrologists - Doctor Portrait Image

NICOLE KEMPER, MD

NORTHWEST RENAL CLINIC-PROVIDENCE ST. VINCENT OFFICE
9205 SouthWest Barnes Road,
Portland, OR 97225 Directions

Since 2005

Specialty:

Chronic Kidney Disease (CKD) Hypertension Treatment Dialysis Vascular Access Management

" Dr. Nicole Kemper completed her medical degree and finished her internship and residency at Oregon Health & Science University, where she also did her fellowship. She is board-certified in Internal Medicine and Nephrology by the American Board of Internal Medicine and is licensed in Oregon and Washington. She has over 15 years of experience in the nephrology field. Dr. Nicole Kemper is a member of the American Society of Nephrology, American College of Physicians, National Kidney Foundation, Oregon Medical Association, and the Renal Physicians Association. Her practice is available in Hillsboro, St. Vincent, and Tillamook.

2026 Highlights: Northwest Renal Clinic provides specialized nephrology care focused on diagnosing, treating, and managing kidney-related conditions. Their team delivers coordinated care across all stages of kidney health."

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License # MD28086

Contact:

(503) 292-7704

Mon-Fri: 8am - 5pm
Sat & Sun: Closed

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Scott K Miyake, MD - Portland, OR Nephrologists - Doctor Portrait Image

SCOTT K MIYAKE, MD

500 NorthEast Multnomah Street, #100,
Portland, OR 97232 Directions

Since 2005

Specialty:

Acute Renal Failure Chronic Renal Failure & Dialysis Hypertension Dialysis Continuous Renal Replacement Therapy Peritoneal Dialysis Hemodialysis Kidney Biopsy Urinalysis

2026 Highlights: Dr. Scott Keola Miyake is a nephrologist and internal medicine physician practicing in the Portland metropolitan area. He is affiliated with multiple hospitals in the area, including Kaiser Sunnyside Medical Center, Legacy Salmon Creek Medical Center, and Kaiser Foundation Hospital Westside Medical Center. He received his medical degree from University of Hawaii John A. Burns School of Medicine and has been in practice 17 years. He specializes in chronic renal failure & dialysis and hypertension and is experienced in dialysis, continuous renal replacement therapy, peritoneal dialysis, hemodialysis, and mobile health. Dr. Scott Keola Miyake is a member of American Society of Nephrology, National Kidney Foundation, International Society of Nephrology, and American Medical Informatics Association.

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License #1013022425

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