Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Tiffany T Nguyen

Behavior Analyst in Covington, WA · enumerated 2022.

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

National Provider Identifier

1427771534

Verified

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Registry record

Entity type Individual (Type 1)

Name Tiffany T Nguyen

Sex Female

Practice address 27121 174th Pl Se # 10, Covington, WA, 98042

Phone (425) 399-3245

Enumeration date Sep 22, 2022

Last updated in NPPES Sep 22, 2022

Taxonomy & licenses

103K00000X Behavior Analyst 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

What is the NPI number for Tiffany Nguyen?

The National Provider Identifier (NPI) for Tiffany Nguyen is 1427771534, a Type 1 (individual) record in the CMS NPPES registry.

Where does Tiffany Nguyen practice?

The practice location on file with NPPES is in Covington, WA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-22.