Ryan Cassaday, M.D.
Ryan Cassaday is a Hematology & Oncology specialist based in Seattle, WA with over 19 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: HEMATOLOGY, INTERNAL MEDICINE
Patients across WA can see Ryan Cassaday, M.D. in person in Seattle or via virtual visit — no travel required. With 19+ years of experience, he has been practicing in the Seattle area. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and anxiety.
Older · 4506dNPPES updated 2014-01-24 · verify NPI on CMS · Verify license at Washington Medical Commission
How Does This Doctor Compare?
Medicare Patients
73
Unique beneficiaries
Standard volumePrescription Recipients
22
Patients prescribed
Prescriptions Written
155
Total claims
Total Medicare drug cost: $65k
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 Anxiety Disorders.
High blood pressure — a leading risk factor for heart disease and stroke
Elevated cholesterol or triglycerides that increase heart disease risk
Excessive worry or fear that interferes with daily life
Joint inflammation causing pain, swelling, and stiffness
Conditions affecting emotional state, including depression and bipolar disorder
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
A mood disorder causing persistent sadness and loss of interest in activities
Gradual loss of kidney function over time, often linked to diabetes or hypertension
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$21.6k received from industry
8 transactions reported in 2024 ·High tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Ryan Cassaday's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
19 years in practice
Experienced
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
Mailing address
Po Box 50095, Seattle, WA 98145-5095
Differs from practice location
Virtual Hematology & Oncology Care With Ryan Cassaday
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Ryan Cassaday for blood pressure monitoring, cholesterol management, anxiety counseling — 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 Ryan Cassaday
Dr. Cassaday 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.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Ryan Cassaday
Practice Location
825 Eastlake Ave E, Seattle, WA 98109-4405
Mailing Address
Po Box 50095, Seattle, WA 98145-5095
This is a provider directory. Contact the office directly to schedule appointments.
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