Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

William Titley Diaz, MD

Individual provider Surgery Physician · NPI 1841747144

William Titley Diaz, MD is a Surgery Physician in Carolina, Puerto Rico. Licensed in Puerto Rico. Registered with an NPI since 2016.

Licensed in
PR
In the registry since
2016
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

Hospital Upr Federico Trilla Ave 65 Infanteria Primer Piso Area Administrativa
Carolina, PR 00984
Phone: (787) 769-4520

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X · Licence 21541 (PR)
Surgery Physician Taxonomy 208600000X · Licence 14929I (PR)
General Practice Physician Taxonomy 208D00000X · Licence 21541 (PR)

Record details

NPI number1841747144
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 2, 2016
Last updated in NPPESJune 10, 2025
Certification dateJune 10, 2025
Mailing addressCarretera 3 Km 8.3 Ave 65 Infanteria, Hospital Upr Federico Trilla, Carolina, PR 00984

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