Monica Ann Sierra, AG-ACNP
NPI 1629610464ActiveIndividual· Nurse Practitioner, Acute Care· Victoria, TX
Nurse Practitioner, Acute Care (AG-ACNP) with Citizens Medical Center County of Victoria and 1 other group, practicing in Victoria, Texas. Their prescriptions cost Medicare Part D more than their services did: $144,923 for 603 claims, against $13,917 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 4 companies reporting payments in 2025, $145.82 in all, mostly food and beverage. Lists Citizens Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1629610464 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | AG-ACNP |
| Sole proprietor | No |
| NPI issued | Oct 14, 2019 |
| Last updated in NPPES | Oct 8, 2024 |
| Certified by provider | Oct 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 1020733 | TX |
| Registered Nurse | 163W00000X | 781907 | 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 | 393 across 15 procedure codes |
| Paid by Medicare | $13,917 |
Part D prescriptions in 2024
| Prescriptions (claims) | 603 · 1,216 30-day fills |
|---|---|
| Patients | 152 |
| Total drug cost | $144,923 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Citizens Medical Center County of VictoriaVictoria, TX · 100 clinicians
- Victoria Hospitalist Associates, LLCVictoria, TX · 39 clinicians
Hospital affiliations
- Citizens Medical CenterVictoria, TX
- De Tar Hospital NavarroVictoria, TX
- Memorial Medical CenterPort Lavaca, TX
Industry payments (Open Payments)
- 2025$145.82 · 7 payments from 4 companies
- 2024$3,234 · 26 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $56.77 | 4 |
| E.R. Squibb & Sons, L.L.C. | $48.14 | 1 |
| Scpharmaceuticals Inc. | $24.06 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $16.85 | 1 |
What the 2025 payments were for
- Food and Beverage$145.82 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other acute care nurse practitioners in Victoria
- 1376011809
- 1700109105
- 1811610769
- 1821450875
- 1114401494
- 1487905030
- 1639889041
- 1083581151
- 1518625730
- 1093319774
- 1134713555
- 1679238158