David Chang Yau, MD
NPI 1528295946ActiveIndividual· Pathology, Hematology· Los Angeles, CA
Pathology, Hematology (MD) in Los Angeles, California, trained at University of Southern California Keck School of Medicine (class of 2009). Medicare paid $19,765 for services to 118 patients in 2024. Abbvie Inc. reported $19.62 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1528295946 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 11, 2009 |
| Last updated in NPPES | Nov 5, 2020 |
| Certified by provider | Nov 5, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Hematology Primary | 207ZH0000X | A125107 | CA |
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 - Pathology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 118 |
|---|---|
| Services billed | 558 across 20 procedure codes |
| Paid by Medicare | $19,765 |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Pathology |
Medical group
- Usc Care Medical Group IncLos Angeles, CA · 1,380 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Keck Hospital of UscLos Angeles, CA
Industry payments (Open Payments)
- 2025$19.62 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $19.62 | 1 |
What the 2025 payments were for
- Food and Beverage$19.62 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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