Victor Y. Hsu, M.D.
NPI 1609889484ActiveIndividual· Internal Medicine, Infectious Disease· Orange, CA
Internal Medicine, Infectious Disease (M.D.) in Orange, California, trained at Virginia Commonwealth University, School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $407,028 for 566 claims, against $72,011 paid for services in 2024. Gilead Sciences, Inc. reported $34.57 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1609889484 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 14, 2006 |
| Last updated in NPPES | Sep 24, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | A73936 | 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 - Infectious Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 188 |
|---|---|
| Services billed | 862 across 6 procedure codes |
| Paid by Medicare | $72,011 |
Part D prescriptions in 2024
| Prescriptions (claims) | 566 · 621 30-day fills |
|---|---|
| Patients | 84 |
| Total drug cost | $407,028 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Virginia Commonwealth University, School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
Hospital affiliations
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
- Providence St. Joseph HospitalOrange, CA
Industry payments (Open Payments)
- 2025$34.57 · 2 payments from 1 company
- 2024$28.37 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $34.57 | 2 |
What the 2025 payments were for
- Food and Beverage$34.57 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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