Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dat Nguyen

Cognitive & Behavioral Psychologist in Sierra Vista, AZ · enumerated 2024 · practices at Mary'S Mission & Developmental Center, Inc.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1457198145

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Registry record

Entity type Individual (Type 1)

Name Dat Nguyen

Sex Male

Practice address 345 Taylor Dr, Sierra Vista, AZ, 85635

Phone (520) 417-2115

Enumeration date Jul 10, 2024

Last updated in NPPES Jul 10, 2024

Taxonomy & licenses

103TB0200X Cognitive & Behavioral Psychologist Behavioral Health & Social Service Providers Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1457198145 active?

Yes, as of the latest NPPES snapshot, NPI 1457198145 is active (record last updated 2024-07-10).

How do I verify Dat Nguyen's NPI record?

Cross-check NPI 1457198145 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Mary'S Mission & Developmental Center, Inc Emotionally Disturbed Childrens' Residential Treatment Facility · Sierra Vista, AZ NPI 1083725832

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-10.