DR. ALEXI SANTOS SANTIAGO M.D.
NPI 1801051933
Emergency Medicine in Ponce, PR
About Dr. Alexi Santos Santiago M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXI SANTOS SANTIAGO M.D. (NPI 1801051933) is an individual emergency medicine provider in Ponce, Puerto Rico, licensed in Puerto Rico (18206) and active in the NPI registry since July 2008. 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)
Dr. Alexi Santos Santiago M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alexi Santos Santiago reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ponce, PR 00780
- Reassigned Medicare billing, Puerto Rico enrollment
- 30 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 00731 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 Alexi Santos Santiago's NPI number?
The NPI number for Alexi Santos Santiago is 1801051933. It was assigned to this individual provider in the NPPES registry on July 29, 2008.
Where is Alexi Santos Santiago located?
Alexi Santos Santiago practices at Ave. Tito Castro #917 Carretera14 Hospital Episcopal San Lucas, Ponce, PR 00731. The listed phone number is (787) 844-2080.
What is Alexi Santos Santiago's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alexi Santos Santiago enrolled in Medicare?
Yes. Alexi Santos Santiago is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alexi Santos Santiago's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexi Santos Santiago reassigns Medicare benefits to Hospital Menonita Ponce Inc (Ponce, 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 Alexi Santos 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 Alexi Santos Santiago was last updated on June 8, 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.