DR. NIELSON JOSE REYES M. D.
NPI 1356588818
General Practice in Arecibo, PR
About Dr. Nielson Jose Reyes M. D. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NIELSON JOSE REYES M. D. (NPI 1356588818) is an individual general practice provider in Arecibo, Puerto Rico, licensed in Puerto Rico (17457) and active in the NPI registry since January 2009. 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. Nielson Jose Reyes M. D. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Nielson Reyes reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Arecibo, PR 00612
- Reassigned Medicare billing, Puerto Rico enrollment
- 50 clinicians in this Medicare group
Arecibo, PR 00612
- Reassigned Medicare billing, Puerto Rico enrollment
- 77 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.
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 Nielson Reyes's NPI number?
The NPI number for Nielson Reyes is 1356588818. It was assigned to this individual provider in the NPPES registry on January 20, 2009.
Where is Nielson Reyes located?
Nielson Reyes practices at Chalets San Lorenzo 304 C, Arecibo, PR 00612. The listed phone number is (787) 384-6611.
What is Nielson Reyes's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Nielson Reyes enrolled in Medicare?
Yes. Nielson Reyes is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Nielson Reyes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nielson Reyes reassigns Medicare benefits to 2 organizations: Metro Pavia Healthcare Centers Inc (Arecibo, PR) and Emergency Physician Providers, LLC (Arecibo, PR). Each 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 Nielson Reyes'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 Nielson Reyes was last updated on February 8, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.