DR. GUILLERMO M. MARTORELL MILLAN MD
NPI 1053404962
Emergency Medicine in Bayamon, PR
About Dr. Guillermo M. Martorell Millan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GUILLERMO M. MARTORELL MILLAN MD (NPI 1053404962) is an individual emergency medicine provider in Bayamon, Puerto Rico, licensed in Puerto Rico (16608) and active in the NPI registry since October 2006. 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. Guillermo M. Martorell Millan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Guillermo Martorell Millan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Caguas, PR 00725
- Reassigned Medicare billing, Puerto Rico enrollment
- 428 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 00961 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BAYAMON, PR 00961
BAYAMON, PR 00961
BAYAMON, PR 00961
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 Guillermo Martorell Millan's NPI number?
The NPI number for Guillermo Martorell Millan is 1053404962. It was assigned to this individual provider in the NPPES registry on October 2, 2006.
Where is Guillermo Martorell Millan located?
Guillermo Martorell Millan practices at 70 Calle Santa Cruz, Bayamon, PR 00961. The listed phone number is (787) 620-4747.
What is Guillermo Martorell Millan's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Guillermo Martorell Millan enrolled in Medicare?
Yes. Guillermo Martorell Millan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Guillermo Martorell Millan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Guillermo Martorell Millan reassigns Medicare benefits to Centro Medico Del Turabo Inc (Caguas, 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 Guillermo Martorell Millan'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 Guillermo Martorell Millan was last updated on November 30, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.