RIVERA & RIVERA MEDICAL LLC
NPI 1861281552
Internal Medicine - Nephrology in Guaynabo, PR
About Rivera & Rivera Medical Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RIVERA & RIVERA MEDICAL LLC (NPI 1861281552) is a healthcare organization registered as a nephrology in Guaynabo, Puerto Rico and active in the NPI registry since May 2025. The organization lists Alexis Rivera Gonzalez, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
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)
Rivera & Rivera Medical 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 Rivera & Rivera Medical LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Rivera & Rivera Medical LLC's NPI number?
The NPI number for Rivera & Rivera Medical LLC is 1861281552. It was assigned to this organization in the NPPES registry on May 1, 2025.
Where is Rivera & Rivera Medical LLC located?
Rivera & Rivera Medical LLC is located at Ave. Arbolote #1, Suite 209, Guaynabo, PR 00969. The listed phone number is (787) 624-8154.
What is Rivera & Rivera Medical LLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Rivera & Rivera Medical LLC enrolled in Medicare?
Yes. Rivera & Rivera Medical LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Rivera & Rivera Medical LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nephrology) reassigns their Medicare billing to Rivera & Rivera Medical 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 Rivera & Rivera Medical LLC was last updated on May 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Rivera & Rivera Medical Llc · NPI 1861281552
Nephrology organization in Guaynabo, Puerto Rico. Organization record, active in the CMS NPPES registry since May 1, 2025.
## Identity
- **NPI:** 1861281552 (Entity type: Organization)
- **Enumerated:** May 1, 2025
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **Organization subpart:** No
- **Authorized official:** Alexis Rivera Gonzalez, PRESIDENT
## Practice location
- **Address:** AVE. ARBOLOTE #1, SUITE 209, Guaynabo, PR 00969-2800
- **Phone:** (787) 624-8154
## 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:** May 1, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1861281552) · Data from the CMS NPPES public registry.