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Elena Marie Papathanassiou

Clinical Social Worker in Alexandria, VA · enumerated 2023.

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

National Provider Identifier

1851004774

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Registry record

Entity type Individual (Type 1)
Name Elena Marie Papathanassiou
Sex Female
Practice address 6076 Franconia Rd Ste D, Alexandria, VA, 22310
Phone (855) 284-7483
Fax (617) 807-0958
Enumeration date Jan 5, 2023
Last updated in NPPES Mar 12, 2024

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 0904016516 (VA) Primary
104100000X Social Worker Behavioral Health & Social Service Providers · License 0906010421 (VA) Secondary

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 Elena Papathanassiou?
The National Provider Identifier (NPI) for Elena Papathanassiou is 1851004774, a Type 1 (individual) record in the CMS NPPES registry.
Where does Elena Papathanassiou practice?
The practice location on file with NPPES is in Alexandria, VA. 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 2024-03-12.