Larissa Nyvia Riojas, DO
NPI 1104239425ActiveIndividual· Family Medicine· Weslaco, TX
Family Medicine (DO) in Weslaco, Texas, trained at University of North Texas Hsc, College of Osteopathic Med (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $945,238 for 5,555 claims, against $34,049 paid for services in 2024. Abbott Laboratories was the largest of 7 companies reporting payments in 2025, $850.17 in all, mostly food and beverage.
Overview
| NPI | 1104239425 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 4, 2014 |
| Last updated in NPPES | Oct 12, 2020 |
| Certified by provider | Oct 12, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | R3411 | 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 - Family Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 102 |
|---|---|
| Services billed | 648 across 33 procedure codes |
| Paid by Medicare | $34,049 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,555 · 12,647 30-day fills |
|---|---|
| Patients | 555 |
| Total drug cost | $945,238 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of North Texas Hsc, College of Osteopathic Med |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Hospital affiliations
- Knapp Medical CenterWeslaco, TX
- South Texas Health SystemEdinburg, TX
Industry payments (Open Payments)
- 2025$850.17 · 47 payments from 7 companies
- 2024$944.32 · 52 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $400.52 | 16 |
| Amgen Inc. | $150.15 | 13 |
| Novo Nordisk Inc | $142.19 | 10 |
| Pfizer Inc. | $55.26 | 3 |
| Lilly USA, LLC | $43.44 | 2 |
What the 2025 payments were for
- Food and Beverage$850.17 · 47 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 family medicine physicians in Weslaco · All family medicine physicians in Texas