Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Melissa Booth-Simonsen, BCBA

Behavior Analyst in Watsonville, CA · enumerated 2013.

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

National Provider Identifier

1639419666

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Registry record

Entity type Individual (Type 1)

Name Melissa Booth-Simonsen

Credential BCBA

Sex Female

Practice address 6 Hangar Way, Watsonville, CA, 95076

Phone (831) 786-0600

Enumeration date Feb 28, 2013

Last updated in NPPES Feb 28, 2013

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-05-2548 (CA) 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 Melissa Booth-Simonsen?

The National Provider Identifier (NPI) for Melissa Booth-Simonsen is 1639419666, a Type 1 (individual) record in the CMS NPPES registry.

Where does Melissa Booth-Simonsen practice?

The practice location on file with NPPES is in Watsonville, 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 2013-02-28.