Hernando Alfonso, OD
NPI 1871561134ActiveIndividual· Optometrist· Brooklyn, NY
Optometrist (OD) in Brooklyn, New York, trained at State University of New York - State College Optometry (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $30,324 for 225 claims, against $18,835 paid for services in 2024. Oyster Point Pharma, Inc. reported $13.70 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1871561134 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | Yes |
| NPI issued | Mar 10, 2006 |
| Last updated in NPPES | Jan 29, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | TUV004751-1 | 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 | 119 |
|---|---|
| Services billed | 254 across 10 procedure codes |
| Paid by Medicare | $18,835 |
Part D prescriptions in 2024
| Prescriptions (claims) | 225 · 293 30-day fills |
|---|---|
| Patients | 90 |
| Total drug cost | $30,324 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | State University of New York - State College Optometry |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Optometry |
Industry payments (Open Payments)
- 2025$13.70 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Oyster Point Pharma, Inc. | $13.70 | 1 |
What the 2025 payments were for
- Food and Beverage$13.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 710 optometrists in Brooklyn · All optometrists in New York