Anthony C. Chen, M.D.
NPI 1073527099ActiveIndividual· Internal Medicine· Hacienda Heights, CA
Internal Medicine (M.D.) in Hacienda Heights, California, trained at Warren Alpert Medical School of Brown University (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $546,913 for 10,973 claims, against $113,053 paid for services in 2024. Telix Pharmaceuticals reported $19.29 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1073527099 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 27, 2006 |
| Last updated in NPPES | Apr 2, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G74781 | CA |
| Internal Medicine | 207R00000X | G074781 | CA |
| Surgery | 208600000X | G74781 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 165 |
|---|---|
| Services billed | 1,522 across 26 procedure codes |
| Paid by Medicare | $113,053 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,973 · 27,080 30-day fills |
|---|---|
| Patients | 703 |
| Total drug cost | $546,913 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Warren Alpert Medical School of Brown University |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Internal Medicine |
Industry payments (Open Payments)
- 2025$19.29 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Telix Pharmaceuticals | $19.29 | 1 |
What the 2025 payments were for
- Food and Beverage$19.29 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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