Alex Chau, M.D.
NPI 1477787539ActiveIndividual· Radiology, Pediatric Radiology· Seattle, WA
Radiology, Pediatric Radiology (M.D.) with The Association of University Physicians and 1 other group, practicing in Seattle, Washington. Enrolled in Medicare as practitioner - diagnostic radiology and practitioner - diagnostic radiology. Cardiva Medical, Inc. was the largest of 3 companies reporting payments in 2025, $89.53 in all, mostly food and beverage. Lists Seattle Children's Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1477787539 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 5, 2009 |
| Last updated in NPPES | Sep 9, 2025 |
| Certified by provider | Sep 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Pediatric Radiology Primary | 2085P0229X | MD61676594 | WA |
| Pediatrics | 208000000X | MD61676594 | WA |
| Radiology, Diagnostic Radiology | 2085R0202X | MD61676594 | WA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Diagnostic Radiology (TX); Practitioner - Diagnostic Radiology (WA) |
|---|
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Diagnostic Radiology |
| Secondary specialties | Pediatric Medicine |
Medical groups
- The Association of University PhysiciansSeattle, WA · 3,535 clinicians
- The Association of Chrmc and University PhysiciansSeattle, WA · 311 clinicians
Hospital affiliations
- Seattle Children's HospitalSeattle, WA
- University of Washington Medical CtrSeattle, WA
Industry payments (Open Payments)
- 2025$89.53 · 3 payments from 3 companies
- 2024$74.18 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Cardiva Medical, Inc. | $36.13 | 1 |
| Trisalus Life Sciences, Inc. | $30.52 | 1 |
| Biogen, Inc. | $22.88 | 1 |
What the 2025 payments were for
- Food and Beverage$89.53 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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