Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ariana Deignan-Kosmides

Clinical Social Worker in New Haven, CT · enumerated 2011.

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

National Provider Identifier

1982900486

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Registry record

Entity type Individual (Type 1)

Name Ariana Deignan-Kosmides

Sex Female

Practice address 98 York St, New Haven, CT, 06511

Phone (475) 434-0472

Fax (203) 785-6860

Enumeration date Jan 31, 2011

Last updated in NPPES May 2, 2018

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Secondary

1041C0700X Clinical Social Worker 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.

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Frequently asked questions

What is the NPI number for Ariana Deignan-Kosmides?

The National Provider Identifier (NPI) for Ariana Deignan-Kosmides is 1982900486, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ariana Deignan-Kosmides practice?

The practice location on file with NPPES is in New Haven, CT. 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 2018-05-02.