Ellen Chuang, MD
NPI 1417044512ActiveIndividual· Internal Medicine, Medical Oncology· Seattle, WA
Internal Medicine, Medical Oncology (MD) in Seattle, Washington, licensed in WA, with an NPI issued in October 2006. Part D covered 33 prescriptions written in 2024, 88% of them generic. Sekisui Diagnostics LLC reported $85.00 in payments in 2025, mostly gifts.
Overview
| NPI | 1417044512 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 9, 2006 |
| Last updated in NPPES | Aug 18, 2021 |
| Certified by provider | Aug 18, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | MD61168860 | 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 (CA); Practitioner - Hematology/Oncology (NC) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 33 · 53 30-day fills |
|---|---|
| Total drug cost | $128,685 |
| Generic share | 88% of claims |
Industry payments (Open Payments)
- 2025$85.00 · 4 payments from 1 company
- 2024$265.00 · 16 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sekisui Diagnostics LLC | $85.00 | 4 |
What the 2025 payments were for
- Gift$85.00 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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