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Olivia Leson

Social Worker in Marshall, MI · enumerated 2021 · practices at Ella E M Brown Charitable Circle.

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

National Provider Identifier

1033879408

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Registry record

Entity type Individual (Type 1)
Name Olivia Leson
Sex Female
Practice address 15209 W Michigan Ave, Marshall, MI, 49068
Phone (269) 781-9119
Enumeration date Dec 27, 2021
Last updated in NPPES Dec 27, 2021

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 6851109705 (MI) 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 Olivia Leson?
The National Provider Identifier (NPI) for Olivia Leson is 1033879408, a Type 1 (individual) record in the CMS NPPES registry.
Where does Olivia Leson practice?
The practice location on file with NPPES is in Marshall, MI. 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 2021-12-27.