Guillermo Marquez Macias Sr.
NPI 1013547231ActiveIndividual· Nurse Practitioner, Family· Pasadena, TX
Nurse Practitioner, Family with Centerwell Senior Primary Care Tx PA, practicing in Pasadena, Texas. 38 Medicare patients in 2024, $4,154 paid; nearly all of their 124 Part D prescriptions were generic (90%). Glaxosmithkline, LLC. reported $14.27 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1013547231 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jan 16, 2020 |
| Last updated in NPPES | Mar 16, 2026 |
| Certified by provider | Mar 16, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | AP144288 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 38 |
|---|---|
| Services billed | 83 across 19 procedure codes |
| Paid by Medicare | $4,154 |
Part D prescriptions in 2024
| Prescriptions (claims) | 124 · 129 30-day fills |
|---|---|
| Patients | 82 |
| Total drug cost | $1,225 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Centerwell Senior Primary Care Tx PADallas, TX · 115 clinicians
Industry payments (Open Payments)
- 2025$14.27 · 1 payment from 1 company
- 2024$125.69 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $14.27 | 1 |
What the 2025 payments were for
- Food and Beverage$14.27 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Practitioner, Family providers in Pasadena
- 1457010803
- 1184196651
- 1154170058
- 1063095149
- 1043809775
- 1497347173
- 1376494112
- 1548744659
- 1386093995
- 1811242886
- 1487592499
- 1578607503