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

Melissa Leigh Mason, M.S., BCBA

Behavior Analyst in St Augustine, FL · enumerated 2008 · practices at Happy Helpers Autism Center LLC.

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

National Provider Identifier

1932361276

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Registry record

Entity type Individual (Type 1)
Name Melissa Leigh Mason
Credential M.S., BCBA
Sex Female
Practice address St Augustine, FL, 32095
Fax (904) 587-1433
Enumeration date Jun 27, 2008
Last updated in NPPES Aug 26, 2024

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

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-17-27659 (FL) 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 Mason?
The National Provider Identifier (NPI) for Melissa Mason is 1932361276, a Type 1 (individual) record in the CMS NPPES registry.
Where does Melissa Mason practice?
The practice location on file with NPPES is in St Augustine, FL. 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 2024-08-26.