Gregory Lee Gilbreath, NP
NPI 1265485486ActiveIndividual· Nurse Practitioner· Beaumont, TX
Nurse Practitioner (NP) with Advanced Cardiovascular Specialists LLP, practicing in Beaumont, Texas. Their prescriptions cost Medicare Part D more than their services did: $1,372,833 for 8,416 claims, against $91,073 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 12 companies reporting payments in 2025, $573.17 in all, mostly food and beverage. Lists Baptist Beaumont Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1265485486 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | May 18, 2006 |
| Last updated in NPPES | Mar 3, 2023 |
| Certified by provider | Mar 3, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 250154 | 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 - Nurse Practitioner (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 960 |
|---|---|
| Services billed | 1,891 across 10 procedure codes |
| Paid by Medicare | $91,073 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,416 · 20,161 30-day fills |
|---|---|
| Patients | 1,442 |
| Total drug cost | $1,372,833 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Advanced Cardiovascular Specialists LLPBeaumont, TX · 13 clinicians
Hospital affiliations
- Baptist Beaumont HospitalBeaumont, TX
- Christus Jasper Memorial HospitalJasper, TX
- Christus Southeast Texas- St ElizabethBeaumont, TX
Industry payments (Open Payments)
- 2025$573.17 · 26 payments from 12 companies
- 2024$351.21 · 18 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $135.32 | 6 |
| Actelion Pharmaceuticals US, Inc. | $121.53 | 4 |
| Inspire Medical Systems, Inc. | $78.86 | 3 |
| E.R. Squibb & Sons, L.L.C. | $66.83 | 4 |
| Novartis Pharmaceuticals Corporation | $32.43 | 2 |
What the 2025 payments were for
- Food and Beverage$573.17 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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