Carlos C. Marrero Sr., MD
NPI 1083774228ActiveIndividual· Family Medicine, Geriatric Medicine· San Juan, PR
Family Medicine, Geriatric Medicine (MD) in San Juan, Puerto Rico, licensed in PR, with an NPI issued in December 2006. 66 Medicare patients in 2024, $29,347 paid; nearly all of their 560 Part D prescriptions were generic (95%). Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $43.59 in all, mostly food and beverage.
Overview
| NPI | 1083774228 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 11, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine, Geriatric Medicine Primary | 207QG0300X | 8381 | 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 - Family Practice (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 66 |
|---|---|
| Services billed | 397 across 7 procedure codes |
| Paid by Medicare | $29,347 |
Part D prescriptions in 2024
| Prescriptions (claims) | 560 · 962 30-day fills |
|---|---|
| Patients | 74 |
| Total drug cost | $11,140 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Family Practice |
| Secondary specialties | Geriatric Medicine |
Industry payments (Open Payments)
- 2025$43.59 · 2 payments from 2 companies
- 2024$136.44 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $25.00 | 1 |
| Boston Scientific Corporation | $18.59 | 1 |
What the 2025 payments were for
- Food and Beverage$43.59 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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