Juan Gabriel Santiago, M.D.
NPI 1518151877ActiveIndividual· Ophthalmology, Retina Specialist· Aguadilla, PR
Ophthalmology, Retina Specialist (M.D.) in Aguadilla, Puerto Rico, trained at University of Puerto Rico School of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $135,925 for 1,016 claims, against $10,641 paid for services in 2024. Regeneron Healthcare Solutions, Inc. was the largest of 3 companies reporting payments in 2025, $97.31 in all, mostly food and beverage.
Overview
| NPI | 1518151877 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 30, 2007 |
| Last updated in NPPES | Mar 28, 2026 |
| Certified by provider | Mar 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | 17036 | PR |
| Ophthalmology, Retina Specialist | 207WX0107X | N4065 | TX |
| Ophthalmology | 207W00000X | 17036 | PR |
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 (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 38 |
|---|---|
| Services billed | 183 across 13 procedure codes |
| Paid by Medicare | $10,641 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,016 · 1,276 30-day fills |
|---|---|
| Patients | 231 |
| Total drug cost | $135,925 |
| Generic share | 60% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Ophthalmology |
Medical group
- Aguadilla Eye MD PSCAguadilla, PR · 5 clinicians
Industry payments (Open Payments)
- 2025$97.31 · 4 payments from 3 companies
- 2024$367.17 · 10 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $54.35 | 2 |
| Rxsight Inc | $23.00 | 1 |
| Ani Pharmaceuticals, Inc. | $19.96 | 1 |
What the 2025 payments were for
- Food and Beverage$97.31 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records