Marcos A. Ayala Rivera, M.D.
NPI 1194772640ActiveIndividual· General Practice· Mayaguez, PR
General Practice (M.D.) in Mayaguez, Puerto Rico, licensed in PR, with an NPI issued in May 2006. Part D covered 9,460 prescriptions written in 2024, 87% of them generic. Genzyme Corporation reported $43.16 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1194772640 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 30, 2006 |
| Last updated in NPPES | Aug 16, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | 6806 | 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) | 9,460 · 17,123 30-day fills |
|---|---|
| Patients | 302 |
| Total drug cost | $333,341 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | General Practice |
Industry payments (Open Payments)
- 2025$43.16 · 1 payment from 1 company
- 2024$314.39 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $43.16 | 1 |
What the 2025 payments were for
- Food and Beverage$43.16 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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