Thao Thach, M.D.
NPI 1063403061ActiveIndividual· Ophthalmology, Glaucoma Specialist· Garland, TX
Ophthalmology, Glaucoma Specialist (M.D.) in Garland, Texas, trained at New York Medical College (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $820,334 for 2,891 claims, against $122,360 paid for services in 2024. Sun Pharmaceutical Industries Inc. was the largest of 10 companies reporting payments in 2025, $793.88 in all, mostly food and beverage.
Overview
| NPI | 1063403061 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 31, 2005 |
| Last updated in NPPES | Oct 7, 2025 |
| Certified by provider | Oct 7, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Glaucoma Specialist Primary | 207WX0009X | L6667 | TX |
| Ophthalmology | 207W00000X | L6667 | 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 | 180 |
|---|---|
| Services billed | 2,610 across 30 procedure codes |
| Paid by Medicare | $122,360 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,891 · 5,008 30-day fills |
|---|---|
| Patients | 591 |
| Total drug cost | $820,334 |
| Generic share | 49% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Ophthalmology |
Medical group
- Thao T Thach IncDallas, TX · 2 clinicians
Industry payments (Open Payments)
- 2025$793.88 · 32 payments from 10 companies
- 2024$783.17 · 40 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sun Pharmaceutical Industries Inc. | $194.40 | 13 |
| Johnson & Johnson Surgical Vision, Inc. | $152.81 | 1 |
| Abbvie Inc. | $123.55 | 4 |
| Biotissue Holdings Inc. | $84.02 | 3 |
| Alcon Vision LLC | $76.47 | 3 |
What the 2025 payments were for
- Food and Beverage$793.88 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records