Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Elizabeth Estwick, M.S.ED

Specialist in Lowell, MA · enumerated 2012.

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

National Provider Identifier

1457601973

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Registry record

Entity type Individual (Type 1)

Name Elizabeth Estwick

Credential M.S.ED

Sex Female

Practice address 740 Princeton Blvd Apt 17, Lowell, MA, 01851

Phone (347) 234-2058

Enumeration date Sep 12, 2012

Last updated in NPPES Jul 26, 2015

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 644927121 (NY) Primary

101Y00000X Counselor Behavioral Health & Social Service Providers Secondary

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 1457601973 active?

Yes, as of the latest NPPES snapshot, NPI 1457601973 is active (record last updated 2015-07-26).

How do I verify Elizabeth Estwick's NPI record?

Cross-check NPI 1457601973 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-07-26.