Alejandro Vidal Margenat, MD
NPI 1558007575ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Houston, TX
Internal Medicine, Clinical Cardiac Electrophysiology (MD) with Ut Physicians, practicing in Houston, Texas. In 2024 Medicare paid $116,944 for 241 patients, and Part D covered 503 of their prescriptions, 78% of them generic. Medtronic, Inc. was the largest of 5 companies reporting payments in 2025, $3,440 in all, mostly food and beverage. Lists Memorial Hermann - Texas Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1558007575 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 11, 2022 |
| Last updated in NPPES | Oct 1, 2026 |
| Certified by provider | Oct 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | W9488 | 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 - Cardiac Electrophysiology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 241 |
|---|---|
| Services billed | 1,102 across 72 procedure codes |
| Paid by Medicare | $116,944 |
Part D prescriptions in 2024
| Prescriptions (claims) | 503 · 1,185 30-day fills |
|---|---|
| Patients | 153 |
| Total drug cost | $126,210 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Cardiac Electrophysiology |
Medical group
- Ut PhysiciansHouston, TX · 1,765 clinicians
Hospital affiliations
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Katy HospitalKaty, TX
- Memorial Hermann Sugar Land HospitalSugar Land, TX
Industry payments (Open Payments)
- 2025$3,440 · 38 payments from 5 companies
- 2024$5,320 · 69 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $1,765 | 14 |
| Abbott Laboratories | $1,110 | 17 |
| Biosense Webster, Inc. | $330.90 | 5 |
| Impulse Dynamics (USA) Inc. | $168.55 | 1 |
| Cvrx, Inc. | $65.66 | 1 |
What the 2025 payments were for
- Food and Beverage$1,926 · 29 payments
- Travel and Lodging$1,514 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 56 Internal Medicine, Clinical Cardiac Electrophysiology providers in Houston · All Internal Medicine, Clinical Cardiac Electrophysiology providers in Texas