SAN JUAN INTERNAL MEDICINE LLC
NPI 1295498889
Specialist in San Juan, PR
About San Juan Internal Medicine Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAN JUAN INTERNAL MEDICINE LLC (NPI 1295498889) is a healthcare organization registered as a specialist in San Juan, Puerto Rico and active in the NPI registry since October 2021. The organization lists Marcus Santiago Hernandez, President, 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)
San Juan Internal Medicine 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 San Juan Internal Medicine LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
San Juan, PR 00907
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 San Juan Internal Medicine LLC's NPI number?
The NPI number for San Juan Internal Medicine LLC is 1295498889. It was assigned to this organization in the NPPES registry on October 20, 2021.
Where is San Juan Internal Medicine LLC located?
San Juan Internal Medicine LLC is located at 29 Calle Washington Ste 309, San Juan, PR 00907. The listed phone number is (787) 396-6336.
What is San Juan Internal Medicine LLC's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is San Juan Internal Medicine LLC enrolled in Medicare?
Yes. San Juan Internal Medicine LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through San Juan Internal Medicine LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to San Juan Internal Medicine 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 San Juan Internal Medicine LLC was last updated on October 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.
# San Juan Internal Medicine Llc · NPI 1295498889
Specialist organization in San Juan, Puerto Rico. Organization record, active in the CMS NPPES registry since October 20, 2021.
## Identity
- **NPI:** 1295498889 (Entity type: Organization)
- **Enumerated:** October 20, 2021
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Organization subpart:** No
- **Authorized official:** Marcus Hernandez, PRESIDENT
## Practice location
- **Address:** 29 CALLE WASHINGTON STE 309, San Juan, PR 00907-1509
- **Phone:** (787) 396-6336
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Internal Medicine) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 20, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1295498889) · Data from the CMS NPPES public registry.