Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Grace Brennan

Athletic Trainer in Springfield, MA · enumerated 2023.

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

National Provider Identifier

1073391462

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Registry record

Entity type Individual (Type 1)

Name Grace Brennan

Sex Female

Practice address 263 Alden St, Springfield, MA, 01109

Phone (413) 748-3000

Enumeration date Sep 18, 2023

Last updated in NPPES Aug 12, 2025

Taxonomy & licenses

2255A2300X Athletic Trainer Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 3892 (MA) 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 Grace Brennan?

The National Provider Identifier (NPI) for Grace Brennan is 1073391462, a Type 1 (individual) record in the CMS NPPES registry.

Where does Grace Brennan practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-12.