Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

ZACHARY DALE LANDAU
NPI 1003711615
Social Worker - Clinical in Fairfax, VA

Active since October 13, 2026
8221 WILLOW OAKS CORPORATE DR, FAIRFAX, VA 22031(703) 559-3000 Get Directions Write a Review

NPPES record added: October 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Zachary Dale Landau NPPES

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

ZACHARY DALE LANDAU (NPI 1003711615) is an individual clinical provider in Fairfax, Virginia, licensed in Virginia (0904021110) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1003711615
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameZACHARY DALE LANDAU
Location Address8221 WILLOW OAKS CORPORATE DRFairfax, VA 22031-4512
Mailing Address8221 Willow Oaks Corporate DrFairfax, VA 22031-4512 · (703) 559-3000
Sole ProprietorNo
Enumeration DateOctober 13, 2026
NPPES CertifiedOctober 13, 2026
✔ NPI 1003711615 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in VA · 0904021110
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.
8221 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.

Psychiatry & Neurology (Psychiatry)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Clinic/Center (Federally Qualified Health Center (FQHC))
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Nurse Practitioner (Psychiatric/Mental Health)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Social Worker (Clinical)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Pharmacy (Long Term Care Pharmacy)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Social Worker (Clinical)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Social Worker (Clinical)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Counselor (Professional)
8221 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 Zachary Landau's NPI number?

The NPI number for Zachary Landau is 1003711615. It was assigned to this individual provider in the NPPES registry on October 13, 2026.

Where is Zachary Landau located?

Zachary Landau practices at 8221 Willow Oaks Corporate Dr, Fairfax, VA 22031. The listed phone number is (703) 559-3000.

What is Zachary Landau'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 Zachary Landau was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.