EDUARDO DIAZ
NPI 1619943396
General Practice in Cayey, PR
About Eduardo Diaz NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EDUARDO DIAZ (NPI 1619943396) is an individual general practice provider in Cayey, Puerto Rico, licensed in Puerto Rico (8942) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Eduardo Diaz is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Eduardo 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.
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 Eduardo Diaz's NPI number?
The NPI number for Eduardo Diaz is 1619943396. It was assigned to this individual provider in the NPPES registry on February 23, 2006.
Where is Eduardo Diaz located?
Eduardo Diaz practices at Munoz Rivera 114 Sur, Cayey, PR 00736. The listed phone number is (787) 263-0965.
What is Eduardo Diaz's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Eduardo Diaz enrolled in Medicare?
Yes. Eduardo Diaz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Eduardo Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eduardo Diaz reassigns Medicare benefits to Oficina Medico Primario Dr. Eduardo Diaz Csp (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 Eduardo 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 Eduardo Diaz was last updated on March 9, 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.