Individual Healthcare Provider
Henry Xavier Nieves Diaz, MD
Provider's NPPES record last updated: June 30, 2025
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1588168850
- Primary Specialty
- Family Medicine — Addiction Medicine
- Practice Location
- Manati, Puerto Rico
- Sole Proprietor
- Yes
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 20, 2026, 5:04 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Family Medicine
Addiction Medicine
Allopathic & Osteopathic Physicians
A family medicine physician who specializes in the diagnosis and treatment of addictions.
Taxonomy code 207QA0401X General Practice
Allopathic & Osteopathic Physicians
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
Taxonomy code 208D00000X
Provider-Reported License Information
- Family Medicine (Puerto Rico)
- 21671
- General Practice (Puerto Rico)
- 21671
Practice Locations
Practice Location
Manati Medical Center
Urb. Atenas, Calle Hernandez Carrion
Manati, Puerto Rico 00674
Phone: (787) 621-3700
Additional Practice Location
Vega Alta Community Health
Carr #2 Km 3.1
Vega Alta, Puerto Rico 00692
Phone: (787) 883-6718
Additional Practice Location
Dorado Community Health
Carr #698 Bo. Mameyal
Dorado, Puerto Rico 00646
Phone: (787) 796-3330
Additional Practice Location
Universidad Central Del Caribe
300 Ave Laurel, Urb Santa Juanita
Bayamon, Puerto Rico 00956
Phone: (787) 798-3001
Additional Practice Location
#100 Urb. Mariolga Bo. Turabo
Caguas, Puerto Rico 00725
Phone: (787) 961-4562
Fax: (787) 961-4562
Record Information
- Enumeration Date
- March 21, 2018
- Provider's NPPES Record Last Updated
- June 30, 2025
- Certification Date
- June 9, 2025
- NPISignal NPPES Dataset
- August 2026
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