Guillermo M. Aldave Orzaiz, MD, PHD
NPI 1255783411ActiveIndividual· Neurological Surgery· Houston, TX
Neurological Surgery (MD, PHD) in Houston, Texas, licensed in TX, with an NPI issued in July 2016. Enrolled in Medicare as practitioner - neurosurgery. Abbvie Inc. reported $29.62 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1255783411 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Jul 12, 2016 |
| Last updated in NPPES | Mar 4, 2026 |
| Certified by provider | Mar 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | T1276 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurosurgery (TX) |
|---|
Industry payments (Open Payments)
- 2025$29.62 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $29.62 | 1 |
What the 2025 payments were for
- Food and Beverage$29.62 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Neurological Surgery providers in Houston
- 1457860546
- 1275615569
- 1508079112
- 1033812417
- 1639477748
- 1285644831
- 1730132721
- 1093965881
- 1194277285
- 1194905307
- 1073936431
- 1629918867