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ABIGAIL SEGALL LCSW
NPI 1487062659
Social Worker - Clinical in Fairfax, VA

Active since July 31, 2014PECOS Enrolled
8221 WILLOW OAKS CORPORATE DR, FAIRFAX, VA 22031(703) 383-8500 Get Directions Write a Review

NPPES record last updated: May 25, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Abigail Segall Lcsw NPPES

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

ABIGAIL SEGALL LCSW (NPI 1487062659) is an individual clinical provider in Fairfax, Virginia, licensed in Virginia (0904011368) and active in the NPI registry since July 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1487062659
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameABIGAIL SEGALLCredential: LCSW
Location Address8221 WILLOW OAKS CORPORATE DRFairfax, VA 22031-4512
Mailing Address8221 Willow Oaks Corporate DrFairfax, VA 22031-4512
Phone(703) 383-8500
Sole ProprietorYes
Enumeration DateJuly 31, 2014
Last NPPES UpdateMay 25, 2023
NPPES CertifiedApril 21, 2021
✔ NPI 1487062659 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 · 0904011368
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 ListedCounselor · Mental HealthTaxonomy 101YM0800X
8221 WILLOW OAKS CORPORATE DR, Fairfax, VA 22031
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Abigail Segall 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.

Medicare Billing Reassignment

Medicare enrollment records show Abigail Segall reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Fairfax County, Virginia
7.0 mi
Mental Health (Including Community Mental Health Center)
12011 GOVERNMENT CENTER PARKWAY, SUITE 836
Fairfax, VA 22035
  • Reassigned Medicare billing, District of Columbia enrollment
  • Medicare enrollment name: Director Of Finance-County Of Fairfax Va
  • 383 clinicians in this Medicare group
NPI 1154356244 (703) 324-7000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 20

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

CONNIE LEE MD
Psychiatry & Neurology (Psychiatry)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 559-3000
NEIGHBORHOOD HEALTH
Clinic/Center (Federally Qualified Health Center (FQHC))
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 535-5568
FELICIA ABOAGYE LNP
Nurse Practitioner (Psychiatric/Mental Health)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 559-3000
TRISHA MARIE HINDY BURKS LCSW
Social Worker (Clinical)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 559-3000
ZACHARY DALE LANDAU
Social Worker (Clinical)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 559-3000
GENOA HEALTHCARE LLC
Pharmacy (Long Term Care Pharmacy)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 852-0041
ANNA LEE KOOZMIN MSW, LCSW, LICSW
Social Worker (Clinical)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 324-7100
JULIA LYNN CONVERSE LCSW
Social Worker (Clinical)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 559-3000

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 Abigail Segall's NPI number?

The NPI number for Abigail Segall is 1487062659. It was assigned to this individual provider in the NPPES registry on July 31, 2014.

Where is Abigail Segall located?

Abigail Segall practices at 8221 Willow Oaks Corporate Dr, Fairfax, VA 22031. The listed phone number is (703) 383-8500.

What is Abigail Segall's specialty?

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

Is Abigail Segall enrolled in Medicare?

Yes. Abigail Segall is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Abigail Segall's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Abigail Segall reassigns Medicare benefits to Fairfax County, Virginia (Fairfax, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Abigail Segall's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Abigail Segall was last updated on May 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.