MS. MARILYN FINCH WILLIAMS MSW, LCSW
NPI 1689897688
Social Worker - Clinical in Fairfax, VA

Active since April 10, 2007PECOS Enrolled
9870 MAIN ST, SUITE B, FAIRFAX, VA 22031(703) 591-9600(703) 591-9656 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Marilyn Finch Williams Msw, Lcsw NPPES

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

MS. MARILYN FINCH WILLIAMS MSW, LCSW (NPI 1689897688) is an individual clinical provider in Fairfax, Virginia, licensed in Virginia (0904001202) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689897688
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. MARILYN FINCH WILLIAMSCredential: MSW, LCSW
Location Address9870 MAIN ST, SUITE BFairfax, VA 22031-3908
Mailing Address9870 Main St, Suite BFairfax, VA 22031-3908 · (703) 591-9600 · Fax (703) 591-9656
Fax(703) 591-9656
Sole ProprietorYes
Enumeration DateApril 10, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1689897688 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 · 0904001202
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.

9870 MAIN ST, Fairfax, VA 22031

Other Identifiers 1

Medicare ID-Type Unspecified586966VA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Ms. Marilyn Finch Williams Msw, Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22031 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $65.18 – $194.86
Typical copayment $0.00 (range $16.29 – $48.71)
Most-billed visit code NA
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

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

Counselor (Mental Health)
9870 MAIN ST
FAIRFAX, VA 22031
Counselor (Professional)
9870 MAIN ST, SUITE B
FAIRFAX, VA 22031
Behavior Technician
9870 MAIN ST
FAIRFAX, VA 22031
Behavior Technician
9870 MAIN ST
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 Marilyn Williams's NPI number?

The NPI number for Marilyn Williams is 1689897688. It was assigned to this individual provider in the NPPES registry on April 10, 2007.

Where is Marilyn Williams located?

Marilyn Williams practices at 9870 Main St Suite B, Fairfax, VA 22031. The listed phone number is (703) 591-9600.

What is Marilyn Williams's specialty?

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

Is Marilyn Williams enrolled in Medicare?

Yes. Marilyn Williams is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Marilyn Williams was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.