SIENA LEE LCSW
NPI 1447847439
Social Worker - Clinical in Fairfax, VA

Active since December 24, 2020
8270 WILLOW OAKS CORPORATE DR, FAIRFAX, VA 22031(571) 423-1498 Get Directions Write a Review

NPPES record last updated: June 12, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 20, 2025, Oct 10, 2025, Dec 24, 2020 (3 updates tracked since 2020).

About Siena Lee Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIENA LEE LCSW (NPI 1447847439) is an individual clinical provider in Fairfax, Virginia, licensed in Virginia (0904017263) and active in the NPI registry since December 2020.

NPPES Registry Identity

NPI1447847439
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameSIENA LEECredential: LCSW
Location Address8270 WILLOW OAKS CORPORATE DRFairfax, VA 22031-4530
Mailing Address8270 Willow Oaks Corporate DrFairfax, VA 22031-4511
Sole ProprietorYes
Enumeration DateDecember 24, 2020
Last NPPES UpdateJune 12, 20263 updates tracked since enumeration
NPPES CertifiedJune 12, 2026
NPI 1447847439 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in VA · 0904017263
Definition

A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

Also ListedSocial Worker · SchoolTaxonomy 1041S0200X · License PPS-0608406 (VA)
8270 WILLOW OAKS CORPORATE DR, Fairfax, VA 22031

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Speech-Language Pathologist
8270 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Speech-Language Pathologist
8270 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Speech-Language Pathologist
8270 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Speech-Language Pathologist
8270 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Occupational Therapist
8270 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Speech-Language Pathologist
8270 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Speech-Language Pathologist
8270 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Social Worker (School)
8270 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Siena Lee's NPI number?

The NPI number for Siena Lee is 1447847439. It was assigned to this individual provider in the NPPES registry on December 24, 2020.

Where is Siena Lee located?

Siena Lee practices at 8270 Willow Oaks Corporate Dr, Fairfax, VA 22031. The listed phone number is (571) 423-1498.

What is Siena Lee's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Siena Lee was last updated on June 12, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.