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

OKSANA MARCHENKO
NPI 1528994803
Social Worker - Clinical in Falls Church, VA

Active since June 23, 2026
256 N WASHINGTON ST STE 2, FALLS CHURCH, VA 22046(703) 942-9745(757) 585-4466 Get Directions Write a Review

NPPES record added: June 23, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Oksana Marchenko NPPES

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

OKSANA MARCHENKO (NPI 1528994803) is an individual clinical provider in Falls Church, Virginia, licensed in Virginia (904020649) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1528994803
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameOKSANA MARCHENKO
Location Address256 N WASHINGTON ST STE 2Falls Church, VA 22046-4517
Mailing Address256 N Washington St Ste 2Falls Church, VA 22046-4517 · (703) 942-9745 · Fax (757) 585-4466
Phone(703) 942-9745
Fax(757) 585-4466
Sole ProprietorNo
Enumeration DateJune 23, 2026
NPPES CertifiedJune 23, 2026
✔ NPI 1528994803 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 · 904020649
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.
256 N WASHINGTON ST STE 2, Falls Church, VA 22046
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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.

BRANDI GORDON
Counselor (Mental Health)
256 N WASHINGTON ST STE 2
FALLS CHURCH, VA 22046
Falls Church City (703) 942-9745
TARA MCFADDEN LCSW
Social Worker (Clinical)
256 N WASHINGTON ST STE 2
FALLS CHURCH, VA 22046
Falls Church City (703) 942-9745
CAITLIN GILCHRIST
Counselor (Mental Health)
256 N WASHINGTON ST STE 2
FALLS CHURCH, VA 22046
Falls Church City (703) 942-9745
EMILY P KUKULA LPC
Counselor (Professional)
256 N WASHINGTON ST STE 2
FALLS CHURCH, VA 22046
Falls Church City (703) 942-9745
SEAN PATRICK WARD LPC
Counselor (Mental Health)
256 N WASHINGTON ST STE 2
FALLS CHURCH, VA 22046
Falls Church City (540) 840-2076
MEGAN MOSSBURG LPC
Counselor (Mental Health)
256 N WASHINGTON ST STE 2
FALLS CHURCH, VA 22046
Falls Church City (571) 442-0512
MADISON THOMAS LCSW
Social Worker (Clinical)
256 N WASHINGTON ST STE 2
FALLS CHURCH, VA 22046
Falls Church City (703) 942-9311
RACHEL LABELLE MA, CAGS, NCSP
Psychologist (School)
256 N WASHINGTON ST STE 2
FALLS CHURCH, VA 22046
Falls Church City (703) 742-9745

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 Oksana Marchenko's NPI number?

The NPI number for Oksana Marchenko is 1528994803. It was assigned to this individual provider in the NPPES registry on June 23, 2026.

Where is Oksana Marchenko located?

Oksana Marchenko practices at 256 N Washington St Ste 2, Falls Church, VA 22046. The listed phone number is (703) 942-9745.

What is Oksana Marchenko'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 Oksana Marchenko was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 60 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.