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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MR. XENIER J SANTIAGO
NPI 1912804790
Counselor in Aguas Buenas, PR

Active since October 23, 2026
HC 3 BOX 14280, AGUAS BUENAS, PR 00703(787) 400-0398 Get Directions Write a Review

NPPES record added: October 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. Xenier J Santiago NPPES

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

MR. XENIER J SANTIAGO (NPI 1912804790) is an individual counselor in Aguas Buenas, Puerto Rico and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1912804790
Entity TypeIndividualMale
Primary Taxonomy101Y00000X
Provider Legal NameMR. XENIER J SANTIAGO
Location AddressHC 3 BOX 14280Aguas Buenas, PR 00703-8390
Mailing AddressHc 3 Box 14280Aguas Buenas, PR 00703-8390 · (787) 400-0398
Phone(787) 400-0398
Sole ProprietorYes
Enumeration DateOctober 23, 2026
NPPES CertifiedOctober 23, 2026
✔ NPI 1912804790 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers
Taxonomy Code101Y00000X
Definition
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X

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 Xenier Santiago's NPI number?

The NPI number for Xenier Santiago is 1912804790. It was assigned to this individual provider in the NPPES registry on October 23, 2026.

Where is Xenier Santiago located?

Xenier Santiago practices at Hc 3 Box 14280, Aguas Buenas, PR 00703. The listed phone number is (787) 400-0398.

What is Xenier Santiago's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

When was this NPI record last updated?

The NPPES record for Xenier Santiago was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.