Carmen Milagros Marrero, MD
NPI 1992787048ActiveIndividual· Family Medicine, Geriatric Medicine· San Juan, PR
Family Medicine, Geriatric Medicine (MD) in San Juan, Puerto Rico, trained at University of Puerto Rico School of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $899,667 for 15,133 claims, against $8,840 paid for services in 2024.
Overview
| NPI | 1992787048 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Nov 15, 2005 |
| Last updated in NPPES | Mar 7, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine, Geriatric Medicine Primary | 207QG0300X | 9548 | PR |
| Family Medicine | 207Q00000X | 9548 | 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 | 35 |
|---|---|
| Services billed | 264 across 18 procedure codes |
| Paid by Medicare | $8,840 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15,133 · 27,653 30-day fills |
|---|---|
| Patients | 541 |
| Total drug cost | $899,667 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Family Practice |
| Secondary specialties | Geriatric Medicine |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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