Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Areti Vassilopoulos, PHD

Psychologist in New Haven, CT · enumerated 2020.

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

National Provider Identifier

1245844794

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Registry record

Entity type Individual (Type 1)

Name Dr. Areti Vassilopoulos

Credential PHD

Sex Female

Practice address 350 George St, New Haven, CT, 06511

Phone (203) 785-2540

Enumeration date Sep 2, 2020

Last updated in NPPES Nov 7, 2025

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License 3948 (CT) Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

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

What specialty is Areti Vassilopoulos?

Areti Vassilopoulos is registered in NPPES with the primary taxonomy of Psychologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-07.