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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Xavier Sean Calliste

Assistant Behavior Analyst in Tacoma, WA · enumerated 2023.

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

National Provider Identifier

1932881828

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Registry record

Entity type Individual (Type 1)
Name Xavier Sean Calliste
Sex Male
Practice address Tacoma, WA, 98409
Phone (253) 292-4354
Enumeration date Aug 1, 2023
Last updated in NPPES Aug 1, 2023

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

106E00000X Assistant 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.

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Frequently asked questions

What is the NPI number for Xavier Calliste?
The National Provider Identifier (NPI) for Xavier Calliste is 1932881828, a Type 1 (individual) record in the CMS NPPES registry.
Where does Xavier Calliste practice?
The practice location on file with NPPES is in Tacoma, WA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-01.