Active NPI
B18 LLC
- Nephrology Physician
- Fajardo, PR
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nephrology Physician
- Legal business name
- B18 LLC
- Practice address
- Caribbean Medical Building
Ave Osvaldo Molina Esquina Calle General Valero 375
Fajardo, PR 00738 - Phone
- (787) 705-8166
- NPI assigned
- Jan 30, 2025
- Last updated
- Jun 18, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Dr. Giuliani T Oliveras Maldonado, MD
- Title
- Presidente
- Phone
- (787) 705-8166
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Nephrology Physician | 207RN0300X | Primary |
Addresses
Primary practice location
Caribbean Medical Building
Ave Osvaldo Molina Esquina Calle General Valero 375
Fajardo, PR 00738
Mailing address
PO Box 362671
San Juan, PR 00936-2671
Phone (787) 705-8166
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PR
Enrollment records 1
National Provider Directory
National Provider DirectoryLocations
MO1 Calle 413
Ste 201
Carolina, PR 00982
Phone (787) 765-6670
Practitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1738195200000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1781740800000",
"number": "1538972773",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 362671",
"city": "SAN JUAN",
"state": "PR",
"postal_code": "009362671",
"telephone_number": "787-705-8166"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "CARIBBEAN MEDICAL BUILDING",
"address_2": "AVE OSVALDO MOLINA ESQUINA CALLE GENERAL VALERO 375",
"city": "FAJARDO",
"state": "PR",
"postal_code": "00738",
"telephone_number": "787-705-8166"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "B18 LLC",
"organizational_subpart": "NO",
"enumeration_date": "2025-01-30",
"last_updated": "2026-06-18",
"certification_date": "2026-06-18",
"status": "A",
"authorized_official_last_name": "OLIVERAS MALDONADO",
"authorized_official_first_name": "GIULIANI",
"authorized_official_middle_name": "T",
"authorized_official_title_or_position": "PRESIDENTE",
"authorized_official_telephone_number": "787-705-8166",
"authorized_official_name_prefix": "Dr.",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "207RN0300X",
"taxonomy_group": "",
"desc": "Internal Medicine, Nephrology",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Fajardo, PR
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 18, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.