Maria Alejandra Vallejo-Nieto, M.D.
NPI 1962637967ActiveIndividual· Family Medicine· Sherman, TX
Family Medicine (M.D.) with Texomacare, practicing in Sherman, Texas. Their prescriptions cost Medicare Part D more than their services did: $538,129 for 5,265 claims, against $85,781 paid for services in 2024. Abbvie Inc. was the largest of 23 companies reporting payments in 2025, $1,506 in all, mostly food and beverage. Lists Texoma Medical Center as a hospital affiliation.
Overview
| NPI | 1962637967 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 19, 2009 |
| Last updated in NPPES | Aug 21, 2020 |
| Certified by provider | Aug 21, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | P1703 | 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 - Family Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 176 |
|---|---|
| Services billed | 3,143 across 64 procedure codes |
| Paid by Medicare | $85,781 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,265 · 12,359 30-day fills |
|---|---|
| Patients | 348 |
| Total drug cost | $538,129 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- TexomacareDurant, OK · 47 clinicians
Hospital affiliation
- Texoma Medical CenterDenison, TX
Other facilities
- Choice Health at HomeHome health agency · Gainesville, TX
Industry payments (Open Payments)
- 2025$1,506 · 87 payments from 23 companies
- 2024$1,393 · 73 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $285.13 | 19 |
| Astrazeneca Pharmaceuticals LP | $245.85 | 19 |
| Novo Nordisk Inc | $180.78 | 10 |
| Corcept Therapeutics | $137.90 | 5 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $78.70 | 4 |
What the 2025 payments were for
- Food and Beverage$1,506 · 87 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Family Medicine providers in Sherman
- 1285294629
- 1780808832
- 1801893656
- 1356512842
- 1770140550
- 1780866673
- 1629807375
- 1851089288
- 1174467377
- 1255907473
- 1245780402
- 1841180007