DR. CARLOS R ALVAREZ M.D.
NPI 1811956519
Emergency Medicine in San Juan, PR
About Dr. Carlos R Alvarez M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CARLOS R ALVAREZ M.D. (NPI 1811956519) is an individual emergency medicine provider in San Juan, Puerto Rico, licensed in Puerto Rico (6893) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Carlos R Alvarez M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Carlos Alvarez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Arecibo, PR 00612
- Reassigned Medicare billing, Puerto Rico enrollment
- Medicare enrollment name: Pediatrix Medical Group Of Puerto Rico Psc
- 33 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 00907 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN JUAN, PR 00907
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 Carlos Alvarez's NPI number?
The NPI number for Carlos Alvarez is 1811956519. It was assigned to this individual provider in the NPPES registry on March 21, 2006.
Where is Carlos Alvarez located?
Carlos Alvarez practices at Hospital Ashford 1451 Ashford Ave Condado, San Juan, PR 00907. The listed phone number is (787) 722-6004.
What is Carlos Alvarez's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Carlos Alvarez enrolled in Medicare?
Yes. Carlos Alvarez is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Carlos Alvarez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carlos Alvarez reassigns Medicare benefits to Pediatrix Medical Group Of Puerto Rico, P.S.C (Arecibo, 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 Carlos Alvarez'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 Carlos Alvarez was last updated on December 31, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.