John T. Hammersmith, OD
NPI 1245231067ActiveIndividual· Optometrist· Williamsville, NY
Optometrist (OD) in Williamsville, New York, trained at Pennsylvania College of Optometry (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $92,397 for 236 claims, against $17,880 paid for services in 2024. Alcon Vision LLC was the largest of 5 companies reporting payments in 2025, $150.37 in all, mostly food and beverage.
Overview
| NPI | 1245231067 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Aug 2, 2005 |
| Last updated in NPPES | Nov 2, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 005495 | 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 | 213 |
|---|---|
| Services billed | 286 across 16 procedure codes |
| Paid by Medicare | $17,880 |
Part D prescriptions in 2024
| Prescriptions (claims) | 236 · 378 30-day fills |
|---|---|
| Patients | 131 |
| Total drug cost | $92,397 |
| Generic share | 38% of claims |
Education and affiliations
| Medical school | Pennsylvania College of Optometry |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Optometry |
Medical group
- Eye Care and Vision Associates Ophthalmology LLPOrchard Park, NY · 9 clinicians
Industry payments (Open Payments)
- 2025$150.37 · 6 payments from 5 companies
- 2024$120.37 · 6 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $46.55 | 2 |
| Abbvie Inc. | $34.19 | 1 |
| Sight Sciences, Inc. | $26.54 | 1 |
| Tarsus Pharmaceuticals, Inc. | $25.88 | 1 |
| Glaukos Corporation | $17.21 | 1 |
What the 2025 payments were for
- Food and Beverage$150.37 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other optometrists in Williamsville
- 1073518759
- 1114909827
- 1134124597
- 1184687840
- 1194498543
- 1235134313
- 1306841531
- 1447255195
- 1629031778
- 1659862506
- 1730142498
- 1750344412
All 35 optometrists in Williamsville · All optometrists in New York