LSER LLC
NPI 1902774482
Internal Medicine - Gastroenterology in Bayamon, PR
About Lser Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LSER LLC (NPI 1902774482) is a healthcare organization registered as a gastroenterology in Bayamon, Puerto Rico and active in the NPI registry since October 2025. The organization lists Reyshley A Ramos Marquez, Md, 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)
Lser 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 Lser 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 Lser LLC's NPI number?
The NPI number for Lser LLC is 1902774482. It was assigned to this organization in the NPPES registry on October 27, 2025.
Where is Lser LLC located?
Lser LLC is located at 1 Ave Casa Linda, Bayamon, PR 00959. The listed phone number is (787) 789-1996.
What is Lser LLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Lser LLC enrolled in Medicare?
Yes. Lser LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Lser LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Lser 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 Lser LLC was last updated on November 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Lser Llc · NPI 1902774482
Gastroenterology organization in Bayamon, Puerto Rico. Organization record, active in the CMS NPPES registry since October 27, 2025.
## Identity
- **NPI:** 1902774482 (Entity type: Organization)
- **Enumerated:** October 27, 2025
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** Reyshley Ramos Marquez, MD
## Practice location
- **Address:** 1 AVE CASA LINDA, Bayamon, PR 00959-9000
- **Phone:** (787) 789-1996
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Gastroenterology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 5, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1902774482) · Data from the CMS NPPES public registry.