Miriam Alicia Paz Sierra, MD
NPI 1780378257ActiveIndividual· Internal Medicine· Lubbock, TX
Internal Medicine (MD) with Lubbock County Hospital District, practicing in Lubbock, Texas. Part D covered 345 prescriptions written in 2024, 86% of them generic. Lists University Medical Center as a hospital affiliation.
Overview
| NPI | 1780378257 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 6, 2023 |
| Last updated in NPPES | Jul 28, 2026 |
| Certified by provider | Jul 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | W7106 | 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 - Internal Medicine (TX) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 345 · 675 30-day fills |
|---|---|
| Patients | 67 |
| Total drug cost | $32,002 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Lubbock County Hospital DistrictLubbock, TX · 51 clinicians
Hospital affiliation
- University Medical CenterLubbock, TX
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 146 internal medicine physicians in Lubbock · All internal medicine physicians in Texas