WILLIAM RODRIGUEZ ZAYAS
NPI 1922531086
Internal Medicine in Aibonito, PR
About William Rodriguez Zayas NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM RODRIGUEZ ZAYAS (NPI 1922531086) is an individual internal medicine provider in Aibonito, Puerto Rico, licensed in Puerto Rico (21738) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Hospital Menonita Guayama, and is a graduate of University Of Puerto Rico School Of Medicine (2016).
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 and accepts Medicare assignment
William Rodriguez Zayas 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 Reassignments
2Medicare enrollment records show William Rodriguez Zayas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Aibonito, PR 00705
- Reassigned Medicare billing, Puerto Rico enrollment
- 205 clinicians in this Medicare group
Guayama, PR 00784
- 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.
Areas of Expertise CMS Part B claims
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hospital Menonita Guayama
Acute Care Hospitals · Guayama, PRPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 00705 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 William Rodriguez Zayas's NPI number?
The NPI number for William Rodriguez Zayas is 1922531086. It was assigned to this individual provider in the NPPES registry on April 6, 2017.
Where is William Rodriguez Zayas located?
William Rodriguez Zayas practices at Carr 726 Calle Jose C Vazquez, Aibonito, PR 00705. The listed phone number is (787) 204-0308.
What is William Rodriguez Zayas's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is William Rodriguez Zayas enrolled in Medicare?
Yes. William Rodriguez Zayas 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 organizations bill Medicare for William Rodriguez Zayas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Rodriguez Zayas reassigns Medicare benefits to 2 organizations: Mennonite General Hospital Inc (Aibonito, PR) and Xanarte, LLC (Guayama, 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 William Rodriguez Zayas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Rodriguez Zayas affiliated with any hospitals?
According to CMS data, William Rodriguez Zayas is affiliated with Hospital Menonita Guayama.
When was this NPI record last updated?
The NPPES record for William Rodriguez Zayas was last updated on February 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.