Andrew John Cowan, M.D.

Hematology & Oncology

Internal Medicine

Andrew John Cowan is a Hematology & Oncology specialist based in Seattle, WA with over 18 years of clinical experience. Offers virtual telehealth visits.

(206) 288-1000Seattle, WA
Telehealth Available
NPI Active per CMS — Q2 2026

Andrew John Cowan, M.D. practices as part of a group hematology & oncology specialist practice in Seattle, WA. Trained at University of Washington School of Medicine (class of 2008), he has been practicing for over 18 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data).

1 of 192 Internal Medicine providers in WASee all Internal Medicine in Seattle18+ years experienceNPI since 2008

Older · 3961dNPPES updated 2015-07-20 · verify NPI on CMS · Verify license at Washington Medical Commission

Contact & Location

Practice Location

825 Eastlake Ave E, Seattle, WA 98109-4405

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 Arthritis.

Hypertension
59%

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

High Cholesterol
50%

Elevated cholesterol or triglycerides that increase heart disease risk

Arthritis
33%

Joint inflammation causing pain, swelling, and stiffness

Chronic Kidney Disease
31%

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

Anxiety Disorders
27%

Excessive worry or fear that interferes with daily life

Mood Disorders
25%

Conditions affecting emotional state, including depression and bipolar disorder

Depression
24%

A mood disorder causing persistent sadness and loss of interest in activities

Ischemic Heart Disease
23%

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

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. 18 years in practice

    Experienced

Internal MedicineHematology & Oncology in SeattleAllopathic & Osteopathic Physicians

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Taxonomy: 207RH0003X

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 Hematology & Oncology Care With Andrew John Cowan

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

Schedule a virtual visit with Andrew John Cowan for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Seattle required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Andrew John Cowan

Dr. Cowan 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) 288-1000.

Verified across 3 federal data sources

Sourced from CMS NPPES · OIG LEIE · 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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