Ryan Cassaday, M.D.
NPI 1508060583ActiveIndividual· Internal Medicine, Hematology & Oncology· Seattle, WA
Internal Medicine, Hematology & Oncology (M.D.) with The Association of University Physicians, practicing in Seattle, Washington. 66 Medicare patients in 2024, $19,135 paid; nearly all of their 111 Part D prescriptions were generic (97%). Autolus Inc was the largest of 7 companies reporting payments in 2025, $16,073 in all, mostly consulting fees. Lists University of Washington Medical Ctr as a hospital affiliation.
Overview
| NPI | 1508060583 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 13, 2007 |
| Last updated in NPPES | Jan 24, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | MD60158445 | WA |
| Internal Medicine | 207R00000X | MD60158445 | WA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 66 |
|---|---|
| Services billed | 284 across 12 procedure codes |
| Paid by Medicare | $19,135 |
Part D prescriptions in 2024
| Prescriptions (claims) | 111 · 117 30-day fills |
|---|---|
| Patients | 20 |
| Total drug cost | $27,830 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Hematology, Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- The Association of University PhysiciansSeattle, WA · 3,535 clinicians
Hospital affiliation
- University of Washington Medical CtrSeattle, WA
Industry payments (Open Payments)
- 2025$16,073 · 13 payments from 7 companies
- 2024$21,586 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Autolus Inc | $5,391 | 4 |
| Pfizer Inc. | $3,700 | 1 |
| Servier Pharmaceuticals LLC | $2,800 | 1 |
| Merck Sharp & Dohme LLC | $2,471 | 4 |
| Astrazeneca Pharmaceuticals LP | $1,640 | 1 |
What the 2025 payments were for
- Consulting Fee$6,680 · 3 payments
- Honoraria$5,130 · 2 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$3,700 · 1 payment
- Food and Beverage$412.58 · 6 payments
- Travel and Lodging$150.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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