William Noel Marrero Leon, MD
NPI 1396356549ActiveIndividual· General Practice· Manati, PR
General Practice (MD) with Clinica Las Americas Guaynabo, Inc, practicing in Manati, Puerto Rico. Part D covered 1,145 prescriptions written in 2024, 81% of them generic. E.R. Squibb & Sons, L.L.C. was the largest of 5 companies reporting payments in 2025, $490.53 in all, mostly food and beverage.
Overview
| NPI | 1396356549 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 12, 2020 |
| Last updated in NPPES | Dec 3, 2021 |
| Certified by provider | Sep 8, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | 22410 | PR |
| General Practice | 208D00000X | 15441 | 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 - General Practice (PR) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 1,145 · 2,009 30-day fills |
|---|---|
| Patients | 108 |
| Total drug cost | $94,315 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | General Practice |
Medical group
- Clinica Las Americas Guaynabo, IncCarolina, PR · 51 clinicians
Industry payments (Open Payments)
- 2025$490.53 · 13 payments from 5 companies
- 2024$249.48 · 11 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $155.55 | 2 |
| Adaptive Biotechnologies Corporation | $136.88 | 2 |
| Pfizer Inc. | $76.27 | 1 |
| Pbg Puerto Rico LLC | $73.72 | 7 |
| Genzyme Corporation | $48.11 | 1 |
What the 2025 payments were for
- Food and Beverage$490.53 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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