Mariana Ontiveros, APRN
NPI 1912696493ActiveIndividual· Nurse Practitioner, Primary Care· Live Oak, TX
Nurse Practitioner, Primary Care (APRN) with Onclick Healthcare Incorporated, practicing in Live Oak, Texas. Their prescriptions cost Medicare Part D more than their services did: $181,810 for 1,501 claims, against $32,928 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $36.92 in all, mostly food and beverage.
Overview
| NPI | 1912696493 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | No |
| NPI issued | May 2, 2023 |
| Last updated in NPPES | May 2, 2023 |
| Certified by provider | May 2, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Primary Care Primary | 363LP2300X | 1114788 | 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 (CA); Practitioner - Nurse Practitioner (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 132 |
|---|---|
| Services billed | 729 across 41 procedure codes |
| Paid by Medicare | $32,928 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,501 · 3,175 30-day fills |
|---|---|
| Patients | 218 |
| Total drug cost | $181,810 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Onclick Healthcare IncorporatedCalabasas, CA · 59 clinicians
Industry payments (Open Payments)
- 2025$36.92 · 2 payments from 2 companies
- 2024$72.35 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $23.36 | 1 |
| Astrazeneca Pharmaceuticals LP | $13.56 | 1 |
What the 2025 payments were for
- Food and Beverage$36.92 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other primary care nurse practitioners in Live Oak
- 1841999703
- 1750158002