ASA CARDIOLOGY LLC
NPI 1598614208
Internal Medicine - Cardiovascular Disease in Arecibo, PR
About Asa Cardiology Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ASA CARDIOLOGY LLC (NPI 1598614208) is a healthcare organization registered as a cardiovascular disease in Arecibo, Puerto Rico and active in the NPI registry since January 2026. The organization lists Andrea Paola San Antonio Sierra, President / Owner, 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)
Asa Cardiology 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 Asa Cardiology LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Arecibo, PR 00612
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 Asa Cardiology LLC's NPI number?
The NPI number for Asa Cardiology LLC is 1598614208. It was assigned to this organization in the NPPES registry on January 26, 2026.
Where is Asa Cardiology LLC located?
Asa Cardiology LLC is located at Suite 109 Carr 129 Km 1.0 Ave San Luis, Arecibo, PR 00612. The listed phone number is (787) 650-7272.
What is Asa Cardiology LLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Asa Cardiology LLC enrolled in Medicare?
Yes. Asa Cardiology LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Asa Cardiology LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Cardiovascular Disease (Cardiology)) reassigns their Medicare billing to Asa Cardiology 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 Asa Cardiology LLC was last updated on January 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Asa Cardiology Llc · NPI 1598614208
Cardiovascular Disease organization in Arecibo, Puerto Rico. Organization record, active in the CMS NPPES registry since January 26, 2026.
## Identity
- **NPI:** 1598614208 (Entity type: Organization)
- **Enumerated:** January 26, 2026
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **Organization subpart:** No
- **Authorized official:** Andrea San Antonio Sierra, PRESIDENT / OWNER
## Practice location
- **Address:** SUITE 109 CARR 129 KM 1.0, AVE SAN LUIS, Arecibo, PR 00612-3373
- **Phone:** (787) 650-7272
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Cardiovascular Disease (Cardiology)) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 26, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1598614208) · Data from the CMS NPPES public registry.