Magdalena Vonnahme Chavez, PA-C
NPI 1841680238ActiveIndividual· Physician Assistant· Irving, TX
Physician Assistant (PA-C) with Medical Clinic of North Texas, PLLC, practicing in Irving, Texas. Their prescriptions cost Medicare Part D more than their services did: $205,262 for 2,342 claims, against $13,920 paid for services in 2024. Pfizer Inc. reported $102.71 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1841680238 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jan 23, 2015 |
| Last updated in NPPES | Jan 23, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | 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 - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 69 |
|---|---|
| Services billed | 357 across 35 procedure codes |
| Paid by Medicare | $13,920 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,342 · 4,751 30-day fills |
|---|---|
| Patients | 219 |
| Total drug cost | $205,262 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Medical Clinic of North Texas, PLLCFort Worth, TX · 267 clinicians
Industry payments (Open Payments)
- 2025$102.71 · 1 payment from 1 company
- 2024$113.30 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $102.71 | 1 |
What the 2025 payments were for
- Food and Beverage$102.71 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 85 physician assistants in Irving · All physician assistants in Texas