ANIBAL JOSE DIAZ SANTOS MD
NPI 1538434402
General Practice in Juana Diaz, PR
About Anibal Jose Diaz Santos Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANIBAL JOSE DIAZ SANTOS MD (NPI 1538434402) is an individual general practice provider in Juana Diaz, Puerto Rico, licensed in Puerto Rico (18401) and active in the NPI registry since March 2012. 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)
Anibal Jose Diaz Santos Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Anibal Diaz Santos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Aibonito, PR 00705
- Reassigned Medicare billing, Puerto Rico enrollment
- 205 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 Anibal Diaz Santos's NPI number?
The NPI number for Anibal Diaz Santos is 1538434402. It was assigned to this individual provider in the NPPES registry on March 12, 2012.
Where is Anibal Diaz Santos located?
Anibal Diaz Santos practices at Calle 3, D-4 Ubr. Las Flores, Juana Diaz, PR 00795. The listed phone number is (787) 837-2944.
What is Anibal Diaz Santos's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Anibal Diaz Santos enrolled in Medicare?
Yes. Anibal Diaz Santos is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Anibal Diaz Santos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anibal Diaz Santos reassigns Medicare benefits to Mennonite General Hospital Inc (Aibonito, 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 Anibal Diaz Santos'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 Anibal Diaz Santos was last updated on March 12, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Anibal Jose Diaz Santos, MD · NPI 1538434402
General Practice physician in Juana Diaz, Puerto Rico. Individual provider, active in the CMS NPPES registry since March 12, 2012.
## Identity
- **NPI:** 1538434402 (Entity type: Individual)
- **Enumerated:** March 12, 2012
- **Primary specialty:** General Practice · taxonomy 208D00000X
- **State license:** 18401 (Puerto Rico)
- **Sole proprietor:** Yes
## Practice location
- **Address:** CALLE 3, D-4, UBR. LAS FLORES, Juana Diaz, PR 00795
- **Phone:** (787) 837-2944
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mennonite General Hospital Inc (NPI 1043347768, Aibonito, PR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 12, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1538434402) · Data from the CMS NPPES public registry.