Gregorio A. Cortes-Maisonet, MD
NPI 1639151616ActiveIndividual· General Practice· San Juan, PR
General Practice (MD) in San Juan, Puerto Rico, licensed in PR, with an NPI issued in November 2005. Part D covered 1,689 prescriptions written in 2024, 83% of them generic. Eli Lilly and Company was the largest of 2 companies reporting payments in 2025, $1,495 in all, mostly travel and lodging.
Overview
| NPI | 1639151616 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Nov 16, 2005 |
| Last updated in NPPES | Jul 10, 2024 |
| Certified by provider | Jul 10, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | 16033 | 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 - General Practice (PR) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 1,689 · 3,107 30-day fills |
|---|---|
| Patients | 102 |
| Total drug cost | $193,002 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | General Practice |
Industry payments (Open Payments)
- 2025$1,495 · 2 payments from 2 companies
- 2024$2,166 · 35 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Eli Lilly and Company | $1,368 | 1 |
| Abbvie Inc. | $126.88 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,368 · 1 payment
- Food and Beverage$126.88 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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