Wilfredo Alonso, M.D.
NPI 1790923050ActiveIndividual· Internal Medicine· Aguadilla, PR
Internal Medicine (M.D.) in Aguadilla, Puerto Rico, trained at New York Medical College (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $691,302 for 10,996 claims, against $6,433 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 6 companies reporting payments in 2025, $479.61 in all, mostly food and beverage.
Overview
| NPI | 1790923050 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 25, 2009 |
| Last updated in NPPES | Feb 24, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 17417 | 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 - Internal Medicine (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 21 |
|---|---|
| Services billed | 126 across 8 procedure codes |
| Paid by Medicare | $6,433 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,996 · 21,517 30-day fills |
|---|---|
| Patients | 542 |
| Total drug cost | $691,302 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Hospital Comunitario Buen Samaritano IncAguadilla, PR
Industry payments (Open Payments)
- 2025$479.61 · 11 payments from 6 companies
- 2024$481.00 · 12 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $152.15 | 2 |
| Dexcom, Inc. | $149.93 | 2 |
| Astrazeneca Pharmaceuticals LP | $52.30 | 2 |
| E.R. Squibb & Sons, L.L.C. | $48.13 | 2 |
| Pbg Puerto Rico LLC | $43.00 | 2 |
What the 2025 payments were for
- Food and Beverage$479.61 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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