CS
21 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Smiley, Nephrologist in Portland, OR?
Dr. Clayton Smiley, MD is a Nephrologist, who primarily practices in Portland, OR with 2 additional practice locations. He has been practicing for over 21 years and is board certified. Dr. Smiley graduated from University of Chicago Division of the Biological Sciences The Pritzker School of Medicine. Dr. Smiley is fluent in English, and is currently seeing new patients. Dr. Smiley’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Smiley’s office at (503) 229-7976.
Where did Dr. Smiley go to medical school and complete their residency?
Medical School: University of Chicago Division of the Biological Sciences The Pritzker School of Medicine
Is Dr. Smiley board certified as a Nephrologist?
Yes, Dr. Clayton Smiley, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Smiley speak?
Dr. Smiley and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Smiley treat?
As a Nephrologist, Dr. Smiley diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Smiley. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- End-Stage Kidney Disease
- Chronic Kidney Disease Stage 3b
- Chronic Kidney Disease, Stage 4 (Severe)
- Chronic Kidney Disease, Stage 2 (Mild)
- Chronic Kidney Disease, Stage 3a
- Chronic Kidney Disease Stage 5
- Chronic Kidney Disease from High Blood Pressure
- Chronic Kidney Disease, Stage 1
- Chronic Kidney Disease
- Chronic Kidney Disease, Stage 3
- Kidney Failure
- Chronic Kidney Disease (CKD)
- Helping Your Child Adapt to Life with Chronic Kidney Disease
- High Blood Pressure
- Mineral & Bone Disorder in Chronic Kidney Disease
- ESRD
- End-Stage Renal Failure
- CKD Stage 3b
- Moderate Chronic Kidney Disease
- CKD Stage 4
- Severe Chronic Kidney Disease
- CKD Stage 2
- Mild Chronic Kidney Disease
- CKD Stage 3a
- CKD Stage 5
- End-Stage Renal Disease
- Hypertensive Chronic Kidney Disease
- High Blood Pressure Kidney Disease
- Hypertension-Related Kidney Disease
- CKD Stage 1
- Early Chronic Kidney Disease
- CKD
- Long-Term Kidney Disease
- CKD Stage 3
ICD-10 Codes:
- N186: End stage renal disease
- N1832: Chronic kidney disease, stage 3b
- N184: Chronic kidney disease, stage 4 (severe)
- N182: Chronic kidney disease, stage 2 (mild)
- N1831: Chronic kidney disease, stage 3a
- N185: Chronic kidney disease, stage 5
- I129: Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
- N181: Chronic kidney disease, stage 1
- N189: Chronic kidney disease, unspecified
- N1830: Chronic kidney disease, stage 3 unspecified
Also known as:
- Acute Kidney Failure
- Kidney Failure
- Acute Renal Failure
- Sudden Kidney Failure
ICD-10 Codes:
- N179: Acute kidney failure, unspecified
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Low Sodium Levels
- High Potassium
- Fluid and Electrolyte Balance
- Sodium
- Potassium
- Hyponatremia
- Low Blood Sodium
- Sodium Deficiency
- Hyperkalemia
- Excess Potassium
ICD-10 Codes:
- E871: Hypo-osmolality and hyponatremia
- E875: Hyperkalemia
Also known as:
- Iron Deficiency Anemia
- Anemia
- Iron
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
ICD-10 Codes:
- D509: Iron deficiency anemia, unspecified
Also known as:
- Type 2 Diabetes with Chronic Kidney Disease
- Type 2 Diabetes
- Diabetes Type 2
- Diabetic Kidney Problems
- Type 2 diabetes
- Diabetic Chronic Kidney Disease
- Long-term Kidney Failure from Type 2 Diabetes
- Type 2 Diabetes End-Stage Renal Disease
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
ICD-10 Codes:
- E1122: Type 2 diabetes mellitus with diabetic chronic kidney disease
- E119: Type 2 diabetes mellitus without complications
Also known as:
- Immune Deficiency from Drugs
- Drug-Induced Immunodeficiency
- Medication-Caused Immune Weakness
ICD-10 Codes:
- D84821: Immunodeficiency due to drugs
Also known as:
- Vitamin D Deficiency
- Low Vitamin D Levels
- Lack of Vitamin D
- Hypovitaminosis D
ICD-10 Codes:
- E559: Vitamin D deficiency, unspecified
Also known as:
- Kidney Stones
- Renal Calculi
- Nephrolithiasis
- Kidney Calculi
ICD-10 Codes:
- N200: Calculus of kidney
What procedures does Dr. Smiley perform?
As a Nephrologist, Dr. Smiley performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Smiley. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Plasma Exchange (Plasmapheresis)
- Therapeutic Plasmapheresis
- Plasma Pheresis
- Blood Plasma Treatment
CPT Codes:
- 36514: Therapeutic apheresis; for plasma pheresis
Does Dr. Smiley accept my insurance?
Dr. Smiley accepts most major insurance plans. Important: Please call our office at (503) 229-7976 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Smiley accept in Portland, OR?
Dr. Smiley in Portland, OR accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Cambia (Regence)
CareOregon
Centene
Medicare
OptumRx
PacificSource
Providence Health Plans
State of Oregon
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Smiley's office located?
Dr. Clayton Smiley's Primary Practice
1130 NW 22nd Ave Ste 640
Portland, OR 97210
(503) 229-7976
What is Dr. Smiley's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Smiley's National Provider Identifier (NPI) number is 1679544431.
What common questions do patients ask about Dr. Smiley?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Smiley
What is Dr. Clayton Smiley's specialty?
Dr. Smiley is a Nephrologist near Portland, OR. An internist who manages disorders related to the kidneys, including high blood pressure, fluid and mineral balance, and dialysis for waste removal when kidney function is impaired. This specialist also collaborates with surgeons regarding kidney transplantation. Contact Dr. Smiley to book an appointment today.
Is this Dr. Clayton Smiley affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Smiley is affiliated with Legacy Emanuel Medical Center, Legacy Good Samaritan Medical Center, OHSU Hospital - Portland, Salem Hospital - Salem, OR, PeaceHealth St. John Medical Center, Legacy Meridian Park Medical Center which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Nephrologist?
Explore Nephrologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Clayton Smiley accepting new patients in Portland, OR?
Yes, Dr. Clayton Smiley is accepting new patients at this time.
Does Dr. Clayton Smiley offer online booking?
Please contact Dr. Smiley's office at (503) 229-7976 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Clayton Smiley?
Please contact Dr. Smiley's office at (503) 229-7976 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Clayton Smiley have?
Dr. Clayton Smiley is certified by the American Board of Internal Medicine.
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