DR. VIVIAN A JUSTINIANO SANTIAGO MD
NPI 1689152035
General Practice in Mayaguez, PR
About Dr. Vivian A Justiniano Santiago Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. VIVIAN A JUSTINIANO SANTIAGO MD (NPI 1689152035) is an individual general practice provider in Mayaguez, Puerto Rico, licensed in Puerto Rico (21039) and active in the NPI registry since July 2018. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Vivian A Justiniano Santiago Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Vivian Justiniano Santiago reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Aguada, PR 00602
- Reassigned Medicare billing, Puerto Rico enrollment
- 44 clinicians in this Medicare group
Arecibo, PR 00612
- Reassigned Medicare billing, Puerto Rico enrollment
- 19 clinicians in this Medicare group
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 Vivian Justiniano Santiago's NPI number?
The NPI number for Vivian Justiniano Santiago is 1689152035. It was assigned to this individual provider in the NPPES registry on July 29, 2018.
Where is Vivian Justiniano Santiago located?
Vivian Justiniano Santiago practices at Carr 2 Km 149.5 Sec Playa Grande Bo Sabanetas Ste 207, Mayaguez, PR 00680. The listed phone number is (787) 978-3131.
What is Vivian Justiniano Santiago's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Vivian Justiniano Santiago enrolled in Medicare?
Yes. Vivian Justiniano Santiago is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Vivian Justiniano Santiago's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vivian Justiniano Santiago reassigns Medicare benefits to 2 organizations: Costa Salud Community Health Centers Inc (Aguada, PR) and Physician Healthcare Administration LLC (Arecibo, PR). Each 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 Vivian Justiniano Santiago's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Vivian Justiniano Santiago was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.