Mark Byarlay
NPI 1164483830ActiveIndividual· Family Medicine· Richland Hills, TX
Family Medicine with Catalyst Physician Group - Ntx, PLLC, practicing in Richland Hills, Texas. Part D covered 5,232 prescriptions written in 2024, 87% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 20 companies reporting payments in 2025, $1,499 in all, mostly food and beverage.
Overview
| NPI | 1164483830 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 31, 2006 |
| Last updated in NPPES | Jul 18, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | M1553 | 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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 5,232 · 10,348 30-day fills |
|---|---|
| Patients | 383 |
| Total drug cost | $428,511 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Catalyst Physician Group - Ntx, PLLCMansfield, TX · 86 clinicians
Industry payments (Open Payments)
- 2025$1,499 · 95 payments from 20 companies
- 2024$1,719 · 104 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $273.01 | 22 |
| Glaxosmithkline, LLC. | $227.36 | 11 |
| Abbvie Inc. | $195.30 | 13 |
| Pfizer Inc. | $141.34 | 9 |
| Novo Nordisk Inc | $138.44 | 8 |
What the 2025 payments were for
- Food and Beverage$1,499 · 95 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family medicine physicians in Richland Hills
- 1932161346
- 1346534302
- 1043272545
- 1114563376
- 1003878505
- 1730140765