Amy J. Williams, OD
NPI 1811979289ActiveIndividual· Optometrist· Defiance, OH
Optometrist (OD) in Defiance, Ohio, trained at Indiana University - School of Optometry (class of 1994). In 2024 Medicare paid $90,334 for 782 patients, and Part D covered 1,558 of their prescriptions, 80% of them generic. Alcon Vision LLC was the largest of 4 companies reporting payments in 2025, $67.53 in all, mostly food and beverage.
Overview
| NPI | 1811979289 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Nov 18, 2005 |
| Last updated in NPPES | Nov 3, 2023 |
| Certified by provider | Jun 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | OPT.004600 | OH |
| Optometrist | 152W00000X | 4600T1343 | OH |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 782 |
|---|---|
| Services billed | 1,810 across 18 procedure codes |
| Paid by Medicare | $90,334 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,558 · 2,880 30-day fills |
|---|---|
| Patients | 351 |
| Total drug cost | $133,919 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Indiana University - School of Optometry |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Optometry |
Medical group
- Promedica Central PhysiciansToledo, OH · 785 clinicians
Industry payments (Open Payments)
- 2025$67.53 · 4 payments from 4 companies
- 2024$184.57 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $21.60 | 1 |
| Bausch & Lomb Americas Inc. | $18.24 | 1 |
| Johnson & Johnson Vision Care, Inc. | $13.98 | 1 |
| Coopervision Inc. | $13.71 | 1 |
What the 2025 payments were for
- Food and Beverage$67.53 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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