Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alice Esther Warren

Behavior Technician in Nashua, NH · enumerated 2021.

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

National Provider Identifier

1518541770

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Registry record

Entity type Individual (Type 1)

Name Alice Esther Warren

Sex Female

Practice address 155 Main Dunstable Rd, Nashua, NH, 03060

Phone (855) 959-4222

Enumeration date May 12, 2021

Last updated in NPPES Jun 26, 2021

Taxonomy & licenses

106S00000X Behavior Technician 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 specialty is Alice Warren?

Alice Warren is registered in NPPES with the primary taxonomy of Behavior Technician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-06-26.