Nanette Michelle De Leon, M.D.
NPI 1487819256ActiveIndividual· Ophthalmology· San Juan, PR
Ophthalmology (M.D.) in San Juan, Puerto Rico, trained at University of Puerto Rico School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $589,204 for 7,458 claims, against $43,348 paid for services in 2024. Alcon Vision LLC reported $118.80 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1487819256 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 22, 2008 |
| Last updated in NPPES | Oct 18, 2022 |
| Certified by provider | Oct 10, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 17637 | PR |
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 (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 119 |
|---|---|
| Services billed | 740 across 16 procedure codes |
| Paid by Medicare | $43,348 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,458 · 8,930 30-day fills |
|---|---|
| Patients | 1,010 |
| Total drug cost | $589,204 |
| Generic share | 62% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Ophthalmology |
Industry payments (Open Payments)
- 2025$118.80 · 1 payment from 1 company
- 2024$1,755 · 14 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $118.80 | 1 |
What the 2025 payments were for
- Food and Beverage$118.80 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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