Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Alyssa Ann Fierro

Behavior Technician in Marco Island, FL · enumerated 2026.

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

National Provider Identifier

1427905561

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Registry record

Entity type Individual (Type 1)

Name Mrs. Alyssa Ann Fierro

Sex Female

Practice address 996 Royal Marco Way, Marco Island, FL, 34145

Phone (469) 694-1754

Fax (818) 758-8015

Enumeration date Mar 16, 2026

Last updated in NPPES Mar 16, 2026

Taxonomy & licenses

106S00000X Behavior Technician Behavioral Health & Social 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Alyssa Fierro practice?

The practice location on file with NPPES is in Marco Island, FL. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Alyssa Fierro?

The National Provider Identifier (NPI) for Alyssa Fierro is 1427905561, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-16.