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

Leanne Elizabeth Sullivan

Occupational Therapist in Westfield, MA · enumerated 2020.

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

National Provider Identifier

1003447624

Verified

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Registry record

Entity type Individual (Type 1)

Name Leanne Elizabeth Sullivan

Sex Female

Practice address Westfield, MA, 01085

Phone (413) 571-0151

Enumeration date Feb 2, 2020

Last updated in NPPES Feb 2, 2020

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

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 48.003702 (CT) 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 Leanne Sullivan?

The National Provider Identifier (NPI) for Leanne Sullivan is 1003447624, a Type 1 (individual) record in the CMS NPPES registry.

Where does Leanne Sullivan practice?

The practice location on file with NPPES is in Westfield, 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 2020-02-02.