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TANYA MARIE CLAUSEN LCSW
NPI 1366558926
Social Worker - Clinical in Mc Lean, VA

Active since August 23, 2006Opted out of Medicare · through Dec 2, 2027
1487 CHAIN BRIDGE RD, MC LEAN, VA 22101(571) 251-6724 Get Directions Write a Review

NPPES record last updated: October 22, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Tanya Marie Clausen Lcsw NPPES

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

TANYA MARIE CLAUSEN LCSW (NPI 1366558926) is an individual clinical provider in Mc Lean, Virginia, licensed in Virginia (0904005086) and active in the NPI registry since August 2006. She has opted out of Medicare through December 2, 2027.

NPPES Registry Identity

NPI1366558926
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameTANYA MARIE CLAUSENCredential: LCSW
Location Address1487 CHAIN BRIDGE RDMc Lean, VA 22101-5723
Mailing Address1487 Chain Bridge Rd Ste 304Mc Lean, VA 22101-5723 · (571) 251-6724
Phone(571) 251-6724
Sole ProprietorYes
Enumeration DateAugust 23, 2006
Last NPPES UpdateOctober 22, 2025
NPPES CertifiedOctober 22, 2025
✔ NPI 1366558926 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in VA · 0904005086✔ Licensed in CA · 62405
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.
1487 CHAIN BRIDGE RD, Mc Lean, VA 22101
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Tanya Marie Clausen Lcsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from December 2, 2025 through December 2, 2027.

Opt-Out Effective DateDecember 2, 2025
Opt-Out In Effect ThroughDecember 2, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 7

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

LANGLEY RESIDENTIAL SUPPORT SERVICES
Day Training, Developmentally Disabled Services
1487 CHAIN BRIDGE RD, SUITE 200
MC LEAN, VA 22101
Fairfax County (703) 893-0068
MR. AARON DANIEL BOURNE
Counselor (Professional)
1487 CHAIN BRIDGE RD, SUITE 300
MC LEAN, VA 22101
Fairfax County (301) 910-1762
MELINDA R TIMMONS L.M.F.T. M.S.
Marriage & Family Therapist
1487 CHAIN BRIDGE RD
MC LEAN, VA 22101
Fairfax County (808) 781-3586
DUFFY COUNSELING CENTER
Clinic/Center (Mental Health (Including Community Mental Health Center))
1487 CHAIN BRIDGE RD
MC LEAN, VA 22101
Fairfax County (703) 255-1091
SARAH TAYLOR TYLER LCSW, LCSW-C
Social Worker (Clinical)
1487 CHAIN BRIDGE RD, SUITE 300
MC LEAN, VA 22101
Fairfax County (703) 856-3154
LANGLEY RESIDENTIAL SUPPORT SERVICES, INC.
Community Based Residential Treatment Facility, Intellectual and/or Developmental Disabilities
1487 CHAIN BRIDGE RD, SUITE 200
MC LEAN, VA 22101
Fairfax County (703) 893-0068
JEANINE RUTH CARLSON PH.D.
Psychologist (Clinical)
1487 CHAIN BRIDGE RD, SUITE 202
MC LEAN, VA 22101
Fairfax County (703) 919-0917

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 Tanya Clausen's NPI number?

The NPI number for Tanya Clausen is 1366558926. It was assigned to this individual provider in the NPPES registry on August 23, 2006.

Where is Tanya Clausen located?

Tanya Clausen practices at 1487 Chain Bridge Rd, Mc Lean, VA 22101. The listed phone number is (571) 251-6724.

What is Tanya Clausen's specialty?

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

Is Tanya Clausen enrolled in Medicare?

No. Tanya Clausen has opted out of Medicare through December 2, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Tanya Clausen was last updated on October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.