Vivian Thi Nguyen, OD
NPI 1164999637ActiveIndividual· Optometrist· Sunnyvale, CA
Optometrist (OD) with Permanente Medical Group Inc, practicing in Sunnyvale, California. Their prescriptions cost Medicare Part D more than their services did: $1,127 for 46 claims, against $318.12 paid for services in 2024. Johnson & Johnson Vision Care, Inc. reported $125.04 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1164999637 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | Yes |
| NPI issued | Nov 1, 2018 |
| Last updated in NPPES | Nov 1, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | OPT34087TLG | 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 - Optometry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 13 |
|---|---|
| Services billed | 13 across 3 procedure codes |
| Paid by Medicare | $318.12 |
Part D prescriptions in 2024
| Prescriptions (claims) | 46 · 60 30-day fills |
|---|---|
| Patients | 34 |
| Total drug cost | $1,127 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Optometry |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Industry payments (Open Payments)
- 2024$125.04 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Johnson & Johnson Vision Care, Inc. | $125.04 | 1 |
What the 2024 payments were for
- Food and Beverage$125.04 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 54 optometrists in Sunnyvale · All optometrists in California