DR. ARNALDO JOSE SANTIAGO MD
NPI 1891657045
Preventive Medicine - Medical Toxicology in Salinas, PR

Q: What is Arnaldo Santiago's NPI number?

The NPI number for Arnaldo Santiago is 1891657045. It was assigned to this individual provider in the NPPES registry on November 25, 2025.

Q: What is Arnaldo Santiago's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Medical Toxicology, with taxonomy code 2083T0002X.

Q: When was this NPI record last updated?

The NPPES record for Arnaldo Santiago was last updated on November 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since November 25, 2025

PO BOX 2344, SALINAS, PR 00751(939) 940-5684 Get Directions Write a Review

NPPES record last updated: November 25, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

On this page

About Dr. Arnaldo Jose Santiago Md NPPES

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

DR. ARNALDO JOSE SANTIAGO MD (NPI 1891657045) is an individual medical toxicology provider in Salinas, Puerto Rico, licensed in Puerto Rico (17352I) and active in the NPI registry since November 2025.

NPPES Registry Identity

NPI1891657045

Entity TypeIndividualMale

Primary Taxonomy2083T0002X

Provider Legal NameDR. ARNALDO JOSE SANTIAGOCredential: MD

Location AddressPO BOX 2344Salinas, PR 00751-8344

Mailing AddressPo Box 2344Salinas, PR 00751-8344 · (939) 940-5684

Phone(939) 940-5684

Sole ProprietorYes

Enumeration DateNovember 25, 2025

NPPES CertifiedNovember 25, 2025

✔ NPI 1891657045 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPreventive Medicine · Medical ToxicologyAllopathic & Osteopathic Physicians

Taxonomy Code2083T0002X

License✔ Licensed in PR · 17352I

Definition

Medical toxicologists are physicians who specialize in the prevention, evaluation, treatment and monitoring of injury and illness from exposures to drugs and chemicals, as well as biological and radiological agents. Medical toxicologists care for people in clinical, academic, governmental and public health settings, and provide poison control center leadership. Important areas of medical toxicology include acute drug poisoning, adverse drug events, drug abuse, addiction and withdrawal, chemicals and hazardous materials, terrorism preparedness, venomous bites and stings, and environmental and workplace exposures.

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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 Arnaldo Santiago's NPI number?

The NPI number for Arnaldo Santiago is 1891657045. It was assigned to this individual provider in the NPPES registry on November 25, 2025.

Where is Arnaldo Santiago located?

Arnaldo Santiago practices at PO Box 2344, Salinas, PR 00751. The listed phone number is (939) 940-5684.

What is Arnaldo Santiago's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Medical Toxicology, with taxonomy code 2083T0002X.

When was this NPI record last updated?

The NPPES record for Arnaldo Santiago was last updated on November 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.