Active NPI
Margarita Valdez Cuadra
- Nephrology Physician
- McAllen, TX
National Provider Identifier
1861079667
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nephrology Physician
- License
- W2581
- Practice address
- 409 Lindberg Ave
McAllen, TX 78501-2921 - Phone
- (956) 682-1508
- NPI assigned
- Mar 26, 2021
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Nephrology Physician | 207RN0300X | W2581 | TX | Primary |
Addresses
Primary practice location
409 Lindberg Ave
McAllen, TX 78501-2921
Mailing address
409 Lindberg Ave
McAllen, TX 78501-2921
Phone (956) 682-1508
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
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20260615000296 | TX | Practitioner - Nephrology | 9739651456 |
Care Compare profile
Medicare Care Compare- Specialty
- Nephrology
- Education
- Other, 2016
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
409 Lindberg Ave
McAllen, TX 78501-2921
535 Gandara Dr
Laredo, TX 78043-4851
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| W2581 | TX | MD | Nephrology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1616716800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787529600000",
"number": "1861079667",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "409 LINDBERG AVE",
"city": "MCALLEN",
"state": "TX",
"postal_code": "785012921",
"telephone_number": "956-682-1508"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "409 LINDBERG AVE",
"city": "MCALLEN",
"state": "TX",
"postal_code": "785012921",
"telephone_number": "956-682-1508"
}
],
"practiceLocations": [],
"basic": {
"last_name": "VALDEZ CUADRA",
"first_name": "MARGARITA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2021-03-26",
"last_updated": "2026-08-24",
"certification_date": "2026-08-24",
"status": "A"
},
"taxonomies": [
{
"code": "207RN0300X",
"taxonomy_group": "",
"desc": "Internal Medicine, Nephrology",
"state": "TX",
"license": "W2581",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in McAllen, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 24, 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.