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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALFREDO AYALA DIAZ M.D.
NPI 1518317692
General Practice in Naranjito, PR

Active since June 20, 2016PECOS Enrolled
102 CALLE GEORGETTI, NARANJITO, PR 00783(787) 230-7557 Get Directions Write a Review

NPPES record last updated: September 11, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 11, 2026, Aug 6, 2024, Jun 18, 2024 and 2 more (5 updates tracked since 2016).

About Alfredo Ayala Diaz M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALFREDO AYALA DIAZ M.D. (NPI 1518317692) is an individual general practice provider in Naranjito, Puerto Rico, licensed in Puerto Rico (22229) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1518317692
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameALFREDO AYALA DIAZCredential: M.D.
Location Address102 CALLE GEORGETTINaranjito, PR 00783
Mailing Address9507 Via PelicanosToa Baja, PR 00949-4385
Phone(787) 230-7557
Sole ProprietorYes
Enumeration DateJune 20, 2016
Last NPPES UpdateSeptember 11, 20265 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2026
✔ NPI 1518317692 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in PR · 22229
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alfredo Ayala Diaz M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AYALA DIAZ HEALTH AND WELLNESS LLC
General Practice
102 CALLE GEORGETTI
NARANJITO, PR 00783
Corozal Municipio (787) 230-7557

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 Alfredo Ayala Diaz's NPI number?

The NPI number for Alfredo Ayala Diaz is 1518317692. It was assigned to this individual provider in the NPPES registry on June 20, 2016.

Where is Alfredo Ayala Diaz located?

Alfredo Ayala Diaz practices at 102 Calle Georgetti, Naranjito, PR 00783. The listed phone number is (787) 230-7557.

What is Alfredo Ayala Diaz's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Alfredo Ayala Diaz enrolled in Medicare?

Yes. Alfredo Ayala Diaz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alfredo Ayala Diaz was last updated on September 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.