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Barbara J Simpson

Mental Health Occupational Therapist in Napa, CA · enumerated 2021.

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

National Provider Identifier

1619638780

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Registry record

Entity type Individual (Type 1)
Name Barbara J Simpson
Sex Female
Practice address 3419 Valle Verde Dr, Napa, CA, 94558
Phone (707) 721-2060
Enumeration date Dec 31, 2021
Last updated in NPPES Dec 31, 2021

Taxonomy & licenses

225XM0800X Mental Health Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative 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.

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Frequently asked questions

What is the NPI number for Barbara Simpson?
The National Provider Identifier (NPI) for Barbara Simpson is 1619638780, a Type 1 (individual) record in the CMS NPPES registry.
Where does Barbara Simpson practice?
The practice location on file with NPPES is in Napa, CA. 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 2021-12-31.