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WILLIAM TITLEY DIAZ MD
NPI 1841747144
Student in an Organized Health Care Education/Training Program in Carolina, PR

Active since September 02, 2016PECOS Enrolled
HOSPITAL UPR FEDERICO TRILLA AVE 65 INFANTERIA, PRIMER PISO AREA ADMINISTRATIVA, CAROLINA, PR 00984(787) 769-4520 Get Directions Write a Review

NPPES record last updated: June 10, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 10, 2025, Aug 31, 2020, Jul 24, 2019 and 2 more (5 updates tracked since 2016).

About William Titley Diaz Md NPPES

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

WILLIAM TITLEY DIAZ MD (NPI 1841747144) is an individual student in an organized health care education/training program in Carolina, Puerto Rico, licensed in Puerto Rico (21541) and active in the NPI registry since September 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1841747144
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameWILLIAM TITLEY DIAZCredential: MD
Location AddressHOSPITAL UPR FEDERICO TRILLA AVE 65 INFANTERIA, PRIMER PISO AREA ADMINISTRATIVACarolina, PR 00984
Mailing AddressCarretera 3 Km 8.3 Ave 65 Infanteria, Hospital Upr Federico TrillaCarolina, PR 00984 · (787) 769-4520
Phone(787) 769-4520
Sole ProprietorNo
Enumeration DateSeptember 2, 2016
Last NPPES UpdateJune 10, 20255 updates tracked since enumeration
NPPES CertifiedJune 10, 2025
✔ NPI 1841747144 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
License✔ Licensed in PR · 21541
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Also ListedSurgeryTaxonomy 208600000X · License 14929I (PR)
Also ListedGeneral PracticeTaxonomy 208D00000X · License 21541 (PR)

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Titley Diaz Md 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.

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 Titley Diaz's NPI number?

The NPI number for William Titley Diaz is 1841747144. It was assigned to this individual provider in the NPPES registry on September 2, 2016.

Where is William Titley Diaz located?

William Titley Diaz practices at Hospital Upr Federico Trilla Ave 65 Infanteria Primer Piso Area Administrativa, Carolina, PR 00984. The listed phone number is (787) 769-4520.

What is William Titley Diaz's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is William Titley Diaz enrolled in Medicare?

Yes. William Titley Diaz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Titley Diaz was last updated on June 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.