Clayton M Smiley, MD
Clayton M Smiley is a Nephrology Internal Medicine specialist based in Portland, OR with over 28 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across OR can see Clayton M Smiley, MD in person in Portland or via virtual visit — no travel required. He has been in practice for 28+ years. He regularly sees Medicare patients with hypertension, high cholesterol, and kidney disease (per CMS claims data).
Older · 242dNPPES updated 2025-09-25 · verify NPI on CMS · Verify license at Oregon Medical Board
Contact & Location
Practice Location
1130 Nw 22nd Avenue, Ste 640, Portland, OR 97210-2900
How Does This Doctor Compare?
Medicare Patients
455
Unique beneficiaries
Standard volumePrescription Recipients
407
Patients prescribed
Prescriptions Written
1,967
Total claims
Total Medicare drug cost: $131k
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Chronic Kidney Disease.
High blood pressure — a leading risk factor for heart disease and stroke
Elevated cholesterol or triglycerides that increase heart disease risk
Gradual loss of kidney function over time, often linked to diabetes or hypertension
A condition where the body cannot properly regulate blood sugar levels
The heart cannot pump blood efficiently enough to meet the body's needs
Joint inflammation causing pain, swelling, and stiffness
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Sep 24, 2025
Self-reported via NPPES
28 years in practice
Experienced
Nephrologists treat kidney diseases including chronic kidney disease, kidney failure requiring dialysis, glomerulonephritis, kidney stones, and electrolyte disorders. They manage dialysis access and kidney transplant follow-up.
Taxonomy: 207RN0300X
Mailing address
Po Box 3068, Portland, OR 97208-3068
Differs from practice location
Virtual Internal Medicine Care With Clayton M Smiley
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Clayton M Smiley for blood pressure monitoring, cholesterol management, kidney care follow-ups — no travel to Portland required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Clayton M Smiley
Dr. Smiley is listed as active in the NPI registry with telehealth listed in Portland, OR. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (503) 229-7976.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Clayton M Smiley
Practice Location
1130 Nw 22nd Avenue, Ste 640, Portland, OR 97210-2900
Mailing Address
Po Box 3068, Portland, OR 97208-3068
This is a provider directory. Contact the office directly to schedule appointments.
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