Gregory Persak, M.D.
NPI 1952372245ActiveIndividual· Ophthalmology· West Islip, NY
Ophthalmology (M.D.) in West Islip, New York, trained at Boston University School of Medicine (class of 1981). In 2024 Medicare paid $439,892 for 1,249 patients, and Part D covered 3,255 of their prescriptions, 67% of them generic. Alcon Vision LLC was the largest of 7 companies reporting payments in 2025, $473.13 in all, mostly food and beverage.
Overview
| NPI | 1952372245 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 27, 2006 |
| Last updated in NPPES | Jan 16, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 150488 | 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 | 1,249 |
|---|---|
| Services billed | 4,670 across 34 procedure codes |
| Paid by Medicare | $439,892 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,255 · 5,812 30-day fills |
|---|---|
| Patients | 860 |
| Total drug cost | $370,213 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | Boston University School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Ophthalmology |
Medical group
- Medical Surgical Eye Care Services PCWest Islip, NY · 8 clinicians
Hospital affiliation
- Good Samaritan Hospital Medical CenterWest Islip, NY
Industry payments (Open Payments)
- 2025$473.13 · 19 payments from 7 companies
- 2024$978.83 · 22 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $214.12 | 8 |
| Harrow Eye, LLC | $88.84 | 3 |
| Astellas Pharma US Inc | $66.99 | 3 |
| Genentech USA, Inc. | $45.32 | 2 |
| Bausch & Lomb Americas Inc. | $20.16 | 1 |
What the 2025 payments were for
- Food and Beverage$473.13 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Ophthalmology providers in West Islip
- 1306863097
- 1245411743
- 1003133612
- 1487681896