Bac Tien Nguyen, M.D.
NPI 1871853077ActiveIndividual· Ophthalmology· Houston, TX
Ophthalmology (M.D.) in Houston, Texas, trained at University of California, San Diego School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $1,512,408 for 8,196 claims, against $211,650 paid for services in 2024. Alcon Vision LLC was the largest of 12 companies reporting payments in 2025, $51,958 in all, mostly speaking and faculty fees.
Overview
| NPI | 1871853077 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 22, 2012 |
| Last updated in NPPES | Jun 2, 2022 |
| Certified by provider | Jun 2, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | R1256 | TX |
| Ophthalmology | 207W00000X | A142273 | CA |
| Ophthalmology, Glaucoma Specialist | 207WX0009X | R1256 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 472 |
|---|---|
| Services billed | 2,770 across 31 procedure codes |
| Paid by Medicare | $211,650 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,196 · 17,559 30-day fills |
|---|---|
| Patients | 1,482 |
| Total drug cost | $1,512,408 |
| Generic share | 57% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Ophthalmology |
Medical group
- Berkeley Eye Institute, PLLCHouston, TX · 63 clinicians
Industry payments (Open Payments)
- 2025$51,958 · 144 payments from 12 companies
- 2024$56,681 · 153 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $24,116 | 42 |
| New World Medical,inc. | $11,409 | 26 |
| Glaukos Corporation | $10,864 | 19 |
| Bausch & Lomb Americas Inc. | $3,556 | 14 |
| Abbvie Inc. | $1,135 | 27 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$19,000 · 4 payments
- Consulting Fee$13,725 · 7 payments
- Honoraria$9,100 · 5 payments
- Food and Beverage$7,990 · 119 payments
- Travel and Lodging$1,926 · 7 payments
- Entertainment$217.31 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 341 ophthalmologists in Houston · All ophthalmologists in Texas