Kathryn Lee Treit, MD

Nephrology Internal Medicine

Kathryn Lee Treit is a Nephrology Internal Medicine specialist based in Seattle, WA with over 18 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(206) 520-5000Seattle, WA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Kathryn Lee Treit, MD practices as part of a group nephrologist practice in Seattle, WA. A University of Washington School of Medicine graduate since 2008, she brings 18+ years of experience. She regularly sees Medicare patients with hypertension, high cholesterol, and kidney disease (per CMS claims data).

1 of 109 Internal Medicine providers in WASee all Internal Medicine in Seattle18+ years experienceNPI since 2009

Older · 665dNPPES updated 2024-07-29 · verify NPI on CMS · Verify license at Washington Medical Commission

Contact & Location

Practice Location

325 9th Ave, Seattle, WA 98104-2420

CMS Clinical Data

How Does This Doctor Compare?

Medicare Patients

318

Unique beneficiaries

Standard volume

Prescription Recipients

257

Patients prescribed

Prescriptions Written

1,844

Total claims

Total Medicare drug cost: $178k

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.

Patient Condition Panel

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.

Hypertension
75%

High blood pressure — a leading risk factor for heart disease and stroke

High Cholesterol
75%

Elevated cholesterol or triglycerides that increase heart disease risk

Chronic Kidney Disease
75%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

Diabetes
49%

A condition where the body cannot properly regulate blood sugar levels

Arthritis
39%

Joint inflammation causing pain, swelling, and stiffness

Ischemic Heart Disease
35%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

Heart Failure
28%

The heart cannot pump blood efficiently enough to meet the body's needs

Mood Disorders
27%

Conditions affecting emotional state, including depression and bipolar disorder

GeneralBehavioralNational avg

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.

Career Journey
  1. Graduated medical school · 2008

    University of Washington School of Medicine

  2. Board certified · Jul 28, 2024

    Self-reported via NPPES

  3. 18 years in practice

    Experienced

Internal MedicineAllopathic & Osteopathic Physicians

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

Education & Training

University of Washington School of Medicine (Class of 2008)

Practice Footprint

Mailing address

Po Box 50095, Seattle, WA 98145-5095

Differs from practice location

Virtual Internal Medicine Care With Kathryn Lee Treit

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Kathryn Lee Treit for blood pressure monitoring, cholesterol management, kidney care follow-ups — no travel to Seattle 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 Kathryn Lee Treit

Dr. Treit is listed as active in the NPI registry with telehealth listed in Seattle, WA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (206) 520-5000.

Verified across 4 federal data sources

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.

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