William S. Kasper, M.D.
NPI 1851307987ActiveIndividual· Ophthalmology· Garden City, NY
Ophthalmology (M.D.) with Sight Medical Doctors PLLC, practicing in Garden City, New York. In 2024 Medicare paid $109,826 for 783 patients, and Part D covered 1,497 of their prescriptions, 74% of them generic. Mallinckrodt Hospital Products Inc. was the largest of 18 companies reporting payments in 2025, $2,916 in all, mostly food and beverage.
Overview
| NPI | 1851307987 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 31, 2006 |
| Last updated in NPPES | Feb 9, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 105422 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 783 |
|---|---|
| Services billed | 1,454 across 26 procedure codes |
| Paid by Medicare | $109,826 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,497 · 2,540 30-day fills |
|---|---|
| Patients | 434 |
| Total drug cost | $135,779 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 1967 |
|---|---|
| Medicare specialty | Ophthalmology |
| Telehealth | Offers telehealth |
Medical group
- Sight Medical Doctors PLLCBrentwood, NY · 115 clinicians
Industry payments (Open Payments)
- 2025$2,916 · 79 payments from 18 companies
- 2024$2,291 · 64 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $523.70 | 15 |
| Bausch & Lomb Americas Inc. | $328.74 | 7 |
| Ani Pharmaceuticals, Inc. | $321.08 | 14 |
| Alcon Vision LLC | $320.30 | 5 |
| Tarsus Pharmaceuticals, Inc. | $316.87 | 8 |
What the 2025 payments were for
- Food and Beverage$2,916 · 79 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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