Roy R. Marrero Jr., MD
NPI 1841249414ActiveIndividual· Emergency Medicine· Port Arthur, TX
Emergency Medicine (MD) in Port Arthur, Texas, trained at Meharry Medical College School of Medicine (class of 1986). 51 Medicare patients in 2024, $3,608 paid; nearly all of their 205 Part D prescriptions were generic (96%).
Overview
| NPI | 1841249414 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 9, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | J9750 | TX |
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 - Emergency Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 51 |
|---|---|
| Services billed | 65 across 7 procedure codes |
| Paid by Medicare | $3,608 |
Part D prescriptions in 2024
| Prescriptions (claims) | 205 · 211 30-day fills |
|---|---|
| Patients | 128 |
| Total drug cost | $1,513 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Meharry Medical College School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Emergency Medicine |
| Secondary specialties | Family Practice |
Medical group
- Texas ER Group PLLCLumberton, TX · 19 clinicians
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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All 19 emergency medicine physicians in Port Arthur · All emergency medicine physicians in Texas