Ann Nguyen Han, O.D.
NPI 1902929755ActiveIndividual· Optometrist· Houston, TX
Optometrist (O.D.) in Houston, Texas, trained at University of Houston - College of Optometry (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $18,771 for 80 claims, against $8,515 paid for services in 2024. Harrow Eye, LLC was the largest of 10 companies reporting payments in 2025, $697.64 in all, mostly food and beverage.
Overview
| NPI | 1902929755 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Apr 9, 2007 |
| Last updated in NPPES | Jan 12, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 6757TG | 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 - Optometry (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 82 |
|---|---|
| Services billed | 135 across 12 procedure codes |
| Paid by Medicare | $8,515 |
Part D prescriptions in 2024
| Prescriptions (claims) | 80 · 111 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $18,771 |
| Generic share | 55% of claims |
Education and affiliations
| Medical school | University of Houston - College of Optometry |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Optometry |
Medical group
- Mann Eye Center, PAAustin, TX · 48 clinicians
Industry payments (Open Payments)
- 2025$697.64 · 26 payments from 10 companies
- 2024$566.09 · 15 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Harrow Eye, LLC | $230.48 | 8 |
| Abbvie Inc. | $136.70 | 6 |
| Bausch & Lomb Americas Inc. | $68.03 | 3 |
| Dompe US, Inc. | $62.48 | 2 |
| Alcon Vision LLC | $58.00 | 1 |
What the 2025 payments were for
- Food and Beverage$697.64 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,168 optometrists in Houston · All optometrists in Texas