Leighanna Ounanian, NP-C
NPI 1699253633ActiveIndividual· Nurse Practitioner, Gerontology· Plano, TX
Nurse Practitioner, Gerontology (NP-C) with Texas Oncology PA, practicing in Plano, Texas. 422 Medicare patients in 2024, $108,336 paid; nearly all of their 456 Part D prescriptions were generic (92%). Novartis Pharmaceuticals Corporation was the largest of 29 companies reporting payments in 2025, $1,625 in all, mostly food and beverage. Lists Baylor Scott & White Medical Center Plano and 1 other hospital as hospital affiliations.
Overview
| NPI | 1699253633 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | No |
| NPI issued | Aug 1, 2018 |
| Last updated in NPPES | Oct 14, 2022 |
| Certified by provider | Dec 8, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | AP138040 | TX |
| Nurse Practitioner | 363L00000X | AP138040 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 422 |
|---|---|
| Services billed | 4,569 across 38 procedure codes |
| Paid by Medicare | $108,336 |
Part D prescriptions in 2024
| Prescriptions (claims) | 456 · 672 30-day fills |
|---|---|
| Patients | 118 |
| Total drug cost | $137,775 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Texas Oncology PAPlano, TX · 1,014 clinicians
Hospital affiliations
- Baylor Scott & White Medical Center PlanoPlano, TX
- Baylor Scott and White Medical Center McKinneyMc Kinney, TX
Other facilities
- Baylor Scott & White Institute for RehabilitationInpatient rehabilitation facility · Dallas, TX
Industry payments (Open Payments)
- 2025$1,625 · 77 payments from 29 companies
- 2024$3,314 · 68 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $207.84 | 10 |
| Pfizer Inc. | $173.03 | 8 |
| Daiichi Sankyo Inc. | $163.12 | 8 |
| Merck Sharp & Dohme LLC | $121.74 | 7 |
| Janssen Biotech, Inc. | $120.24 | 6 |
What the 2025 payments were for
- Food and Beverage$1,625 · 77 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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