MR. LUIS ARAMBURU DIAZ OD
NPI 1225010721
Optometrist - Low Vision Rehabilitation in San Juan, PR
About Mr. Luis Aramburu Diaz Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. LUIS ARAMBURU DIAZ OD (NPI 1225010721) is an individual low vision rehabilitation provider in San Juan, Puerto Rico, licensed in Puerto Rico (OD215) and active in the NPI registry since November 2005. He 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)
Mr. Luis Aramburu Diaz Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Luis Aramburu Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cayey, PR 00736
- Reassigned Medicare billing, Puerto Rico enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 00925 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN JUAN, PR 00925
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 Luis Aramburu Diaz's NPI number?
The NPI number for Luis Aramburu Diaz is 1225010721. It was assigned to this individual provider in the NPPES registry on November 18, 2005.
Where is Luis Aramburu Diaz located?
Luis Aramburu Diaz practices at 1122 Ave Ponce De Leon, San Juan, PR 00925. The listed phone number is (787) 790-3848.
What is Luis Aramburu Diaz's specialty?
The primary specialty registered for this NPI is Optometrist, specializing in Low Vision Rehabilitation, with taxonomy code 152WL0500X.
Is Luis Aramburu Diaz enrolled in Medicare?
Yes. Luis Aramburu Diaz is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Luis Aramburu Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Luis Aramburu Diaz reassigns Medicare benefits to Ecb Cayey Corp (Cayey, PR). The 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 Luis Aramburu Diaz'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 Luis Aramburu Diaz was last updated on January 10, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.