Donna M. Alzaga, M.D.
NPI 1609069251ActiveIndividual· Internal Medicine· Marshall, TX
Internal Medicine (M.D.) with North Texas Physician Services, PLLC, practicing in Marshall, Texas. 208 Medicare patients in 2024, $49,006 paid; nearly all of their 475 Part D prescriptions were generic (90%). Abbott Laboratories was the largest of 2 companies reporting payments in 2025, $67.74 in all, mostly food and beverage. Lists Christus Mother Frances Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1609069251 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 27, 2007 |
| Last updated in NPPES | Jan 14, 2025 |
| Certified by provider | Jan 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | M7009 | 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 - Hospitalist (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 208 |
|---|---|
| Services billed | 628 across 9 procedure codes |
| Paid by Medicare | $49,006 |
Part D prescriptions in 2024
| Prescriptions (claims) | 475 · 519 30-day fills |
|---|---|
| Patients | 181 |
| Total drug cost | $19,155 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- North Texas Physician Services, PLLCLongview, TX · 238 clinicians
Hospital affiliations
- Christus Mother Frances HospitalTyler, TX
- Christus St Michael Health SystemTexarkana, TX
Other facilities
- Hospice of Texarkana IncHospice · Texarkana, TX
Industry payments (Open Payments)
- 2025$67.74 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $46.75 | 2 |
| E.R. Squibb & Sons, L.L.C. | $20.99 | 1 |
What the 2025 payments were for
- Food and Beverage$67.74 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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