Amy L. Walker, O.D.
NPI 1316919434ActiveIndividual· Optometrist· Madison, WI
Optometrist (O.D.) in Madison, Wisconsin, licensed in WI, with an NPI issued in February 2006. In 2024 Medicare paid $70,845 for 789 patients, and Part D covered 908 of their prescriptions, 62% of them generic. Alexion Pharmaceuticals, Inc. reported $18.43 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1316919434 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Feb 2, 2006 |
| Last updated in NPPES | Aug 13, 2025 |
| Certified by provider | Aug 13, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 2849 | WI |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 789 |
|---|---|
| Services billed | 1,804 across 22 procedure codes |
| Paid by Medicare | $70,845 |
Part D prescriptions in 2024
| Prescriptions (claims) | 908 · 1,765 30-day fills |
|---|---|
| Patients | 221 |
| Total drug cost | $84,978 |
| Generic share | 62% of claims |
Industry payments (Open Payments)
- 2025$18.43 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $18.43 | 1 |
What the 2025 payments were for
- Food and Beverage$18.43 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 98 optometrists in Madison · All optometrists in Wisconsin