EILEEN MARRERO O.D.
NPI 1407884265
Optometrist in Carolina, PR
About Eileen Marrero O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EILEEN MARRERO O.D. (NPI 1407884265) is an individual optometrist in Carolina, Puerto Rico, licensed in Puerto Rico (330) and active in the NPI registry since June 2006. 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)
Eileen Marrero O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Eileen Marrero reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Carolina, PR 00985
- Reassigned Medicare billing, Puerto Rico enrollment
- 16 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 00985 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Eileen Marrero's NPI number?
The NPI number for Eileen Marrero is 1407884265. It was assigned to this individual provider in the NPPES registry on June 29, 2006.
Where is Eileen Marrero located?
Eileen Marrero practices at Carr #3 Km 12.3 Ave. 65 Infanteria Carolina, Carolina, PR 00985. The listed phone number is (787) 769-2477.
What is Eileen Marrero's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Eileen Marrero enrolled in Medicare?
Yes. Eileen Marrero is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Eileen Marrero's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eileen Marrero reassigns Medicare benefits to Instituto De Ojos Y Piel, Inc (Carolina, 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 Eileen Marrero'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 Eileen Marrero was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.