Marco Antonio Alfonso, MD
NPI 1134811714ActiveIndividual· General Practice· Guayama, PR
General Practice (MD) in Guayama, Puerto Rico, licensed in PR, with an NPI issued in May 2023. Part D covered 508 prescriptions written in 2024, 94% of them generic. Zoll Services LLC (A/K/A Zoll Lifecor Corp) reported $36.82 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1134811714 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 23, 2023 |
| Last updated in NPPES | May 24, 2023 |
| Certified by provider | May 24, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | 023233 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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) | 508 · 516 30-day fills |
|---|---|
| Patients | 209 |
| Total drug cost | $17,477 |
| Generic share | 94% of claims |
Industry payments (Open Payments)
- 2025$36.82 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $36.82 | 3 |
What the 2025 payments were for
- Food and Beverage$36.82 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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