Active NPI
Marianela Guerrero, RDN, LD, PHD
- Renal Nutrition Registered Dietitian
- El Paso, TX
National Provider Identifier
1326275959
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Renal Nutrition Registered Dietitian
- License
- DT82920
- Practice address
- 165 W Castellano Dr Apt 3301
El Paso, TX 79912-6273 - Phone
- (719) 468-9711
- NPI assigned
- Jun 22, 2009
- Sex
- Female
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Renal Nutrition Registered Dietitian | 133VN1005X | DT82920 | TX | Primary |
Addresses
Primary practice location
165 W Castellano Dr Apt 3301
El Paso, TX 79912-6273
Mailing address
165 W Castellano Dr Apt 3301
El Paso, TX 79912-6273
Phone (719) 468-9711
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| DT82920 | TX | MD | Renal Nutrition Registered Dietitian |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Marjorie Nolan Cohn LLC | Dietitian, Registered | Past | Accepting new patients |
| Fay Nutrition | Dietitian, Registered | Past | Accepting new patients |
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1245628800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1769472000000",
"number": "1326275959",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "165 W CASTELLANO DR APT 3301",
"city": "EL PASO",
"state": "TX",
"postal_code": "799126273",
"telephone_number": "719-468-9711"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "165 W CASTELLANO DR APT 3301",
"city": "EL PASO",
"state": "TX",
"postal_code": "799126273",
"telephone_number": "719-468-9711"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GUERRERO",
"first_name": "MARIANELA",
"name_prefix": "Ms.",
"credential": "RDN, LD, PHD",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2009-06-22",
"last_updated": "2026-01-27",
"certification_date": "2026-01-27",
"status": "A"
},
"taxonomies": [
{
"code": "133VN1005X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Dietitian, Registered, Nutrition, Renal",
"state": "TX",
"license": "DT82920",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in El Paso, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.