Joseph Chao, M.D.
NPI 1285831057ActiveIndividual· Internal Medicine, Medical Oncology· Duarte, CA
Internal Medicine, Medical Oncology (M.D.) in Duarte, California, licensed in CA, with an NPI issued in June 2007. Enrolled in Medicare as practitioner - medical oncology. Abbvie Inc. reported $30.51 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1285831057 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 27, 2007 |
| Last updated in NPPES | Nov 18, 2020 |
| Certified by provider | Nov 18, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | A94368 | CA |
| Internal Medicine, Hematology | 207RH0000X | A94368 | CA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | A94368 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (CA) |
|---|
Industry payments (Open Payments)
- 2025$30.51 · 1 payment from 1 company
- 2024$28.23 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $30.51 | 1 |
What the 2025 payments were for
- Food and Beverage$30.51 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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