David Lee Willis, GNP
NPI 1689703134ActiveIndividual· Nurse Practitioner, Gerontology· McKinney, TX
Nurse Practitioner, Gerontology (GNP) with Willis Senior Housecalls PLLC, practicing in McKinney, Texas. Their prescriptions cost Medicare Part D more than their services did: $482,705 for 5,618 claims, against $175,522 paid for services in 2024.
Overview
| NPI | 1689703134 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | GNP |
| Sole proprietor | No |
| NPI issued | Mar 2, 2007 |
| Last updated in NPPES | Nov 29, 2023 |
| Certified by provider | Nov 29, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 556431 | 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 | 277 |
|---|---|
| Services billed | 4,821 across 23 procedure codes |
| Paid by Medicare | $175,522 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,618 · 12,289 30-day fills |
|---|---|
| Patients | 310 |
| Total drug cost | $482,705 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Willis Senior Housecalls PLLCMcKinney, TX · 4 clinicians
Other facilities
- Accentcare Home Health of McKinneyHome health agency · McKinney, TX
- Grace Home Health IncHome health agency · Plano, TX
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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