B18 LLC
NPI 1538972773
Internal Medicine - Nephrology in Fajardo, PR
About B18 Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
B18 LLC (NPI 1538972773) is a healthcare organization registered as a nephrology in Fajardo, Puerto Rico and active in the NPI registry since January 2025. The organization lists Giuliani T Oliveras Maldonado, Presidente, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
B18 Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to B18 LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Fajardo, PR 00738
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is B18 LLC's NPI number?
The NPI number for B18 LLC is 1538972773. It was assigned to this organization in the NPPES registry on January 30, 2025.
Where is B18 LLC located?
B18 LLC is located at Caribbean Medical Building Ave Osvaldo Molina Esquina Calle General Valero 375, Fajardo, PR 00738. The listed phone number is (787) 705-8166.
What is B18 LLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is B18 LLC enrolled in Medicare?
Yes. B18 LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through B18 LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nephrology) reassigns their Medicare billing to B18 LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for B18 LLC was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# B18 Llc · NPI 1538972773
Nephrology organization in Fajardo, Puerto Rico. Organization record, active in the CMS NPPES registry since January 30, 2025.
## Identity
- **NPI:** 1538972773 (Entity type: Organization)
- **Enumerated:** January 30, 2025
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **Organization subpart:** No
- **Authorized official:** Giuliani Oliveras Maldonado, PRESIDENTE
## Practice location
- **Address:** CARIBBEAN MEDICAL BUILDING, AVE OSVALDO MOLINA ESQUINA CALLE GENERAL VALERO 375, Fajardo, PR 00738
- **Phone:** (787) 705-8166
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Nephrology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1538972773) · Data from the CMS NPPES public registry.