Gregory Lawrence Walker II, ACNPC-AG
NPI 1861009664ActiveIndividual· Nurse Practitioner, Acute Care· Henderson, NV
Nurse Practitioner, Acute Care (ACNPC-AG) with Qureshi Al-Owir PLLC and 1 other group, practicing in Henderson, Nevada. Mostly services rather than prescriptions: Medicare paid $19,785 for 98 patients in 2024, with only 12 Part D claims. Ceribell, Inc. reported $159.05 in payments in 2025, mostly food and beverage. Lists Centennial Hills Hospital Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1861009664 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ACNPC-AG |
| Sole proprietor | Yes |
| NPI issued | Sep 25, 2020 |
| Last updated in NPPES | Nov 19, 2020 |
| Certified by provider | Nov 19, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 834774 | NV |
| Nurse Practitioner, Critical Care Medicine | 363LC0200X | 834774 | NV |
| Nurse Practitioner, Gerontology | 363LG0600X | 834774 | NV |
| Clinical Nurse Specialist, Adult Health | 364SA2200X | 824774 | NV |
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 (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 98 |
|---|---|
| Services billed | 295 across 11 procedure codes |
| Paid by Medicare | $19,785 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12 · 12 30-day fills |
|---|---|
| Total drug cost | $6,386 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Qureshi Al-Owir PLLCHenderson, NV · 18 clinicians
- Cpsingh Enterprises PLLCLas Vegas, NV · 11 clinicians
Hospital affiliations
- Centennial Hills Hospital Medical CenterLas Vegas, NV
- Henderson HospitalHenderson, NV
- Summerlin Hospital Medical CenterLas Vegas, NV
- West Henderson HospitalHenderson, NV
Industry payments (Open Payments)
- 2025$159.05 · 2 payments from 1 company
- 2024$42.90 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ceribell, Inc. | $159.05 | 2 |
What the 2025 payments were for
- Food and Beverage$159.05 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 acute care nurse practitioners in Henderson · All acute care nurse practitioners in Nevada