Gwenda Renee' Gnadt, O.D., M.P.H.
NPI 1689676728ActiveIndividual· Optometrist· Nesconset, NY
Optometrist (O.D., M.P.H.) in Nesconset, New York, trained at University Alabama Birmingham - School of Optometry (class of 1991). In 2024 Medicare paid $45,717 for 172 patients, and Part D covered 131 of their prescriptions, 57% of them generic. Bausch & Lomb Americas Inc. was the largest of 7 companies reporting payments in 2025, $711.24 in all, mostly food and beverage.
Overview
| NPI | 1689676728 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D., M.P.H. |
| Sole proprietor | No |
| NPI issued | Jun 1, 2005 |
| Last updated in NPPES | Oct 24, 2026 |
| Certified by provider | Oct 24, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | RT005220-01 | NY |
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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 172 |
|---|---|
| Services billed | 1,333 across 16 procedure codes |
| Paid by Medicare | $45,717 |
Part D prescriptions in 2024
| Prescriptions (claims) | 131 · 324 30-day fills |
|---|---|
| Patients | 44 |
| Total drug cost | $44,219 |
| Generic share | 57% of claims |
Education and affiliations
| Medical school | University Alabama Birmingham - School of Optometry |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Optometry |
Medical group
- Eye Vision Associates LLPNesconset, NY · 5 clinicians
Industry payments (Open Payments)
- 2025$711.24 · 10 payments from 7 companies
- 2024$696.86 · 8 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $269.12 | 4 |
| Lkc Technologies, Inc. | $130.15 | 1 |
| Optos, Inc. | $125.48 | 1 |
| Amgen Inc. | $117.68 | 1 |
| Harrow Eye, LLC | $31.75 | 1 |
What the 2025 payments were for
- Food and Beverage$585.76 · 9 payments
- Entertainment$125.48 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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