William Silva Cherena, M.D.
NPI 1003884636ActiveIndividual· General Practice· Sabana Grande, PR
General Practice (M.D.) in Sabana Grande, Puerto Rico, licensed in PR, with an NPI issued in March 2006. Part D covered 2,785 prescriptions written in 2024, 84% of them generic. Astrazeneca Pharmaceuticals LP reported $490.41 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1003884636 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 9, 2006 |
| Last updated in NPPES | Sep 29, 2026 |
| Certified by provider | Aug 5, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | 11253 | 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) | 2,785 · 4,889 30-day fills |
|---|---|
| Patients | 116 |
| Total drug cost | $103,619 |
| Generic share | 84% of claims |
Industry payments (Open Payments)
- 2025$490.41 · 7 payments from 1 company
- 2024$651.74 · 14 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $490.41 | 7 |
What the 2025 payments were for
- Food and Beverage$490.41 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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