Shirley Rebecca Mathews, M.D.
NPI 1952539488ActiveIndividual· Family Medicine· Garland, TX
Family Medicine (M.D.) with Catalyst Physician Group - Ntx, PLLC, practicing in Garland, Texas. Their prescriptions cost Medicare Part D more than their services did: $402,555 for 3,439 claims, against $2,088 paid for services in 2024. Novo Nordisk Inc was the largest of 21 companies reporting payments in 2025, $805.28 in all, mostly food and beverage. Lists Texas Health Presbyterian Hospital Allen as a hospital affiliation.
Overview
| NPI | 1952539488 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 23, 2009 |
| Last updated in NPPES | Feb 18, 2026 |
| Certified by provider | Feb 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | N3874 | 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 | 13 |
|---|---|
| Services billed | 65 across 22 procedure codes |
| Paid by Medicare | $2,088 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,439 · 7,933 30-day fills |
|---|---|
| Patients | 328 |
| Total drug cost | $402,555 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Catalyst Physician Group - Ntx, PLLCMansfield, TX · 86 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$805.28 · 44 payments from 21 companies
- 2024$575.56 · 34 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $81.62 | 4 |
| Astrazeneca Pharmaceuticals LP | $77.38 | 5 |
| Exact Sciences Corporation | $75.22 | 4 |
| Pfizer Inc. | $65.68 | 3 |
| Glaxosmithkline, LLC. | $64.16 | 4 |
What the 2025 payments were for
- Food and Beverage$805.28 · 44 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 120 family medicine physicians in Garland · All family medicine physicians in Texas