Zandra R. Rivera, RN, BSN, MS, APRNBC
NPI 1134209802ActiveIndividual· Nurse Practitioner, Adult Health· Houston, TX
Nurse Practitioner, Adult Health (RN, BSN, MS, APRNBC) with Physicians Referral Service, practicing in Houston, Texas. 99 Medicare patients in 2024, $12,340 paid; nearly all of their 57 Part D prescriptions were generic (95%). Incyte Corporation was the largest of 17 companies reporting payments in 2025, $2,671 in all, mostly food and beverage.
Overview
| NPI | 1134209802 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN, BSN, MS, APRNBC |
| Sole proprietor | No |
| NPI issued | Oct 17, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | 662429 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 99 |
|---|---|
| Services billed | 136 across 5 procedure codes |
| Paid by Medicare | $12,340 |
Part D prescriptions in 2024
| Prescriptions (claims) | 57 · 59 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $2,523 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$2,671 · 28 payments from 17 companies
- 2024$1,283 · 15 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Incyte Corporation | $467.98 | 4 |
| Daiichi Sankyo Inc. | $428.44 | 4 |
| Sanofi-Aventis U.S. LLC | $234.55 | 2 |
| Syndax Pharmaceuticals, Inc. | $175.85 | 2 |
| Jazz Pharmaceuticals Inc. | $143.79 | 1 |
What the 2025 payments were for
- Food and Beverage$2,617 · 26 payments
- Education$49.99 · 1 payment
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$3.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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