Thien T. Nguyen, O.D.
NPI 1568471373ActiveIndividual· Optometrist· Montebello, CA
Optometrist (O.D.) in Montebello, California, licensed in CA, with an NPI issued in August 2006. Part D covered 455 prescriptions written in 2024, 19% of them generic. Bausch & Lomb Americas Inc. was the largest of 2 companies reporting payments in 2025, $173.32 in all, mostly food and beverage.
Overview
| NPI | 1568471373 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Aug 8, 2006 |
| Last updated in NPPES | Feb 10, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | OPT 13098 | 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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 455 · 653 30-day fills |
|---|---|
| Patients | 189 |
| Total drug cost | $273,225 |
| Generic share | 19% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Optometry |
Industry payments (Open Payments)
- 2025$173.32 · 14 payments from 2 companies
- 2024$224.54 · 15 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $157.01 | 13 |
| Sun Pharmaceutical Industries Inc. | $16.31 | 1 |
What the 2025 payments were for
- Food and Beverage$173.32 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 optometrists in Montebello · All optometrists in California