Viet Van Dang, M.D.
NPI 1548276454ActiveIndividual· Ophthalmology· Westminster, CA
Ophthalmology (M.D.) in Westminster, California, trained at University of California, Irvine, California College of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $197,598 for 2,890 claims, against $81,325 paid for services in 2024. Amgen Inc. reported $343.20 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1548276454 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 31, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | — | CA |
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 - Ophthalmology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 343 |
|---|---|
| Services billed | 963 across 15 procedure codes |
| Paid by Medicare | $81,325 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,890 · 3,983 30-day fills |
|---|---|
| Patients | 368 |
| Total drug cost | $197,598 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | University of California, Irvine, California College of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Ophthalmology |
Industry payments (Open Payments)
- 2025$343.20 · 24 payments from 1 company
- 2024$15.37 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $343.20 | 24 |
What the 2025 payments were for
- Food and Beverage$343.20 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 18 ophthalmologists in Westminster · All ophthalmologists in California