Rafaella Izar Wallace, ANP
NPI 1821469107ActiveIndividual· Nurse Practitioner, Gerontology· Fort Worth, TX
Nurse Practitioner, Gerontology (ANP) with Texas Oncology PA, practicing in Fort Worth, Texas. Their prescriptions cost Medicare Part D more than their services did: $918,636 for 321 claims, against $48,985 paid for services in 2024. Sobi, Inc was the largest of 6 companies reporting payments in 2025, $140.75 in all, mostly food and beverage.
Overview
| NPI | 1821469107 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ANP |
| Sole proprietor | No |
| NPI issued | Oct 13, 2015 |
| Last updated in NPPES | Dec 1, 2021 |
| Certified by provider | Dec 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | AP129253 | TX |
| Nurse Practitioner, Adult Health | 363LA2200X | AP129253 | 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 | 248 |
|---|---|
| Services billed | 2,151 across 41 procedure codes |
| Paid by Medicare | $48,985 |
Part D prescriptions in 2024
| Prescriptions (claims) | 321 · 440 30-day fills |
|---|---|
| Patients | 107 |
| Total drug cost | $918,636 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Texas Oncology PAPlano, TX · 1,014 clinicians
Industry payments (Open Payments)
- 2025$140.75 · 7 payments from 6 companies
- 2024$729.75 · 23 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sobi, Inc | $48.65 | 2 |
| Merck Sharp & Dohme LLC | $24.74 | 1 |
| Regeneron Healthcare Solutions, Inc. | $21.79 | 1 |
| Beigene USA, Inc. | $16.12 | 1 |
| Glaxosmithkline, LLC. | $15.47 | 1 |
What the 2025 payments were for
- Food and Beverage$140.75 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 32 gerontology nurse practitioners in Fort Worth · All gerontology nurse practitioners in Texas