Alan B. Marks, M.D.
NPI 1942270145ActiveIndividual· Ophthalmology· Manhasset, NY
Ophthalmology (M.D.) in Manhasset, New York, trained at New York Medical College (class of 1978). In 2024 Medicare paid $476,209 for 1,972 patients, and Part D covered 1,487 of their prescriptions, 79% of them generic. Glaukos Corporation was the largest of 9 companies reporting payments in 2025, $961.85 in all, mostly food and beverage.
Overview
| NPI | 1942270145 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 23, 2006 |
| Last updated in NPPES | Nov 15, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 138555 | 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 - Ophthalmology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,972 |
|---|---|
| Services billed | 6,354 across 35 procedure codes |
| Paid by Medicare | $476,209 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,487 · 2,535 30-day fills |
|---|---|
| Patients | 543 |
| Total drug cost | $174,791 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Ophthalmology |
Medical group
- Long Island Eye Surgeons, PCNew Hyde Park, NY · 4 clinicians
Industry payments (Open Payments)
- 2025$961.85 · 31 payments from 9 companies
- 2024$805.89 · 31 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaukos Corporation | $160.83 | 1 |
| Harrow Eye, LLC | $152.89 | 6 |
| Tarsus Pharmaceuticals, Inc. | $150.08 | 3 |
| Alcon Vision LLC | $123.71 | 5 |
| Bausch & Lomb Americas Inc. | $97.08 | 5 |
What the 2025 payments were for
- Food and Beverage$961.85 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 19 ophthalmologists in Manhasset · All ophthalmologists in New York