Bao-Thu Thi Nguyen, M.D.
NPI 1538137666ActiveIndividual· Ophthalmology· Long Beach, CA
Ophthalmology (M.D.) in Long Beach, California, trained at University of California, Geffen School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $2,058,952 for 6,060 claims, against $470,284 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $5,121 in all, mostly food and beverage.
Overview
| NPI | 1538137666 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 14, 2006 |
| Last updated in NPPES | Aug 12, 2026 |
| Certified by provider | Aug 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | A62609 | 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 | 900 |
|---|---|
| Services billed | 6,982 across 45 procedure codes |
| Paid by Medicare | $470,284 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,060 · 11,162 30-day fills |
|---|---|
| Patients | 901 |
| Total drug cost | $2,058,952 |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Ophthalmology |
Medical group
- Dan B Tran Medical CorporationOrange, CA · 9 clinicians
Industry payments (Open Payments)
- 2025$5,121 · 190 payments from 16 companies
- 2024$3,567 · 137 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $1,395 | 50 |
| Alcon Vision LLC | $788.66 | 28 |
| Amgen Inc. | $528.10 | 21 |
| Bausch & Lomb Americas Inc. | $401.28 | 17 |
| Sun Pharmaceutical Industries Inc. | $364.71 | 15 |
What the 2025 payments were for
- Food and Beverage$5,011 · 186 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$110.00 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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