Active NPI
Alejandro Vidal Margenat, MD
- Clinical Cardiac Electrophysiology Physician
- Houston, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Cardiac Electrophysiology Physician
- License
- W9488
- Practice address
- 6400 Fannin St Ste 2550
Houston, TX 77030-1538 - Phone
- (713) 486-6740
- NPI assigned
- May 11, 2022
- Last updated
- Oct 1, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Cardiac Electrophysiology Physician | 207RC0001X | W9488 | TX | Primary |
Addresses
Primary practice location
6400 Fannin St Ste 2550
Houston, TX 77030-1538
Mailing address
6400 Fannin St Ste 2550
Houston, TX 77030-1538
Phone (832) 946-2872
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Cardiac Electrophysiology
- Education
- Other, 2011
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
9250 Pinecroft Dr
Shenandoah, TX 77380-3218
Phone (713) 897-2300
Hospital & facility affiliations
- Memorial Hermann - Texas Medical Center
- Memorial Hermann Hospital System
- Memorial Hermann Katy Hospital
- Memorial Hermann Sugar Land Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 84.11 of 100
- Quality
- 69.15
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 73.63
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Pacemaker insertion or repair | 39 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| W9488 | TX | MD | Clinical Cardiac Electrophysiology Physician |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Anesthesiology Physician
- Houston, TX
- NPI 1033157821
Hospital & facility affiliations 10
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba MHHS NW Radiation Therapy
- Radiology Clinic/Center
- Houston, TX
- NPI 1013948553
Hospital
-
dba MHHS Woodlands Outpatient Imaging System
- Radiology Clinic/Center
- The Woodlands, TX
- NPI 1275564858
Hospital
-
dba Memorial Hermann Sugar Land Hospital
- General Acute Care Hospital
- Sugar Land, TX
- NPI 1295788735
-
dba Memorial Hermann Outpatient Imaging-Southwest
- Radiology Clinic/Center
- Houston, TX
- NPI 1407959448
Hospital
-
dba Mhhs Hermann Outpatient Imaging Center
- Portable X-ray and/or Other Portable Diagnostic Imaging Supplier
- Houston, TX
- NPI 1437189115
Hospital
-
dba MHHS Friendswood Imaging
- Radiology Clinic/Center
- Friendswood, TX
- NPI 1508896267
Hospital
-
dba MHHS Pearland Outpatient Imaging Center
- Radiology Clinic/Center
- Pearland, TX
- NPI 1669402335
Hospital
-
- General Acute Care Hospital
- Houston, TX
- NPI 1730132234
-
dba Memorial Hermann Katy Hospital
- General Acute Care Hospital
- Katy, TX
- NPI 1932152337
-
dba Memorial Hermann Hospital
- General Acute Care Hospital
- Houston, TX
- NPI 1982666111
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1652227200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1790812800000",
"number": "1558007575",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6400 FANNIN ST STE 2550",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770301538",
"telephone_number": "832-946-2872"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6400 FANNIN ST STE 2550",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770301538",
"telephone_number": "713-486-6740"
}
],
"practiceLocations": [],
"basic": {
"last_name": "VIDAL MARGENAT",
"first_name": "ALEJANDRO",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-05-11",
"last_updated": "2026-10-01",
"certification_date": "2026-10-01",
"status": "A"
},
"taxonomies": [
{
"code": "207RC0001X",
"taxonomy_group": "",
"desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
"state": "TX",
"license": "W9488",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Houston, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.