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

Ms. Arleen Mattos, SOCIAL WORKER

Social Worker in Garden City, NY · enumerated 2022 · practices at Kidz Psychological Services Pllc.

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

National Provider Identifier

1437885639

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Registry record

Entity type Individual (Type 1)

Name Ms. Arleen Mattos

Credential SOCIAL WORKER

Sex Female

Practice address Garden City, NY, 11530

Phone (516) 747-9030

Enumeration date Jul 29, 2022

Last updated in NPPES Jul 29, 2022

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

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 0825571 (NY) 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 Arleen Mattos practice?

The practice location on file with NPPES is in Garden City, NY. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Arleen Mattos?

The National Provider Identifier (NPI) for Arleen Mattos is 1437885639, 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 2022-07-29.