Hans Oosterbaan, OD
NPI 1245239953ActiveIndividual· Optometrist· Fredericksburg, TX
Optometrist (OD) in Fredericksburg, Texas, trained at University of Houston - College of Optometry (class of 1991). In 2024 Medicare paid $50,319 for 323 patients, and Part D covered 613 of their prescriptions, 80% of them generic. Alcon Vision LLC reported $32.83 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1245239953 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | Yes |
| NPI issued | Jul 15, 2005 |
| Last updated in NPPES | Sep 25, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 4526TG | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 323 |
|---|---|
| Services billed | 1,132 across 22 procedure codes |
| Paid by Medicare | $50,319 |
Part D prescriptions in 2024
| Prescriptions (claims) | 613 · 953 30-day fills |
|---|---|
| Patients | 112 |
| Total drug cost | $18,888 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | University of Houston - College of Optometry |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Optometry |
Medical group
- Aeg Texas Professional PLLCSan Antonio, TX · 229 clinicians
Industry payments (Open Payments)
- 2025$32.83 · 2 payments from 1 company
- 2024$38.87 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $32.83 | 2 |
What the 2025 payments were for
- Food and Beverage$32.83 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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